Technical sheet

Suunto D4F dive computer

Name: Suunto D4F dive computer
Brand: Suunto
SKU: 136479360
Rating: 5 (72 reviews)

Price without code 0

RRP:

You save:

Price without subscription

VAT & duties included

72 Reviews

16 Questions

No extra charges at delivery.

Size

Long

What is my size?

My virtual fitting room

Stringing

Unstrung

Tension

18 Kg
19 Kg
20 Kg
21 Kg
22 Kg
23 Kg
24 Kg
25 Kg
26 Kg
27 Kg
28 Kg
29 Kg
30 Kg
31 Kg
32 Kg
33 Kg
34 Kg
35 Kg
36 Kg

To adjust your bindings, type in the following informations:

(Customized items cannot be returned or exchanged)

It´s free!

(Customized items cannot be returned or exchanged)

Single purchase

Add to my pack

You save:

Buy now in 1 click

Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

Perfect pairings

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Suunto D4F

Product description of Suunto D4F dive computer

Description summary

The Suunto D4f is your perfect partner for freediving, snorkeling, and spearfishing. This lightweight yet durable dive computer displays your depth, dive time, and surface intervals, so you can fully immerse yourself in the underwater experience. Use the innovative apnea timer to hone your breathing technique. With a stainless steel bezel and comfortable strap, it’s stylish enough for everyday wear. Log and analyze your dives on your PC/Mac to track your progress and plan future adventures (USB cable sold separately). A trusted tool for exploring the depths

Lightweight but robust computer for apnea diving that allows you to enjoy underwater sports, as well as the Suunto D4f. This computer allows you to download your dive logs to perform an advanced analysis and create dive plans. Transfer dive records from your compatible Suunto dive computer, upload dive plans, personalize your dive computer and the wording to your friends in Suunto Movescount.

The Suunto D4f Black includes a comfortable elastomer strap. The USB cable to transfer your dives to the DM5 and a Suunto Movescount is sold separately.

Suunto factory & headquarters in Vantaa Finland are now using 100% renewable energy. This means that all of the Suunto products, that are Made in Finland, are also made with 100% renewable, carbon neutral energy. In 2021 that was 85% of all Suunto products. This is a great addition to Suunto’s endeavor to minimize their emissions which they do by manufacturing high-quality, long-lasting products.

Suunto D4f is a light yet robust freedive computer, that makes underwater sports enjoyable. When diving, the D4f displays your present and maximum depth and calculates dive time and surface intervals for you, allowing you to fully concentrate on exploring the underwater world. Use the apnea timer to improve your breathing technique. After the dive you can browse the details of your dive from the logbook. The light-weight case with stainless steel bezel and mineral crystal glass make Suunto D4f not only a trusted tool when exploring the depths, but also looks good wearing day to day.

The Suunto D4f Black comes with a comfortable elastomer strap. The USB cable for uploading your dives to DM5 and Suunto Movescount is sold separately.

Product highlights:
- Ideal for freediving, snorkeling and spearfishing
- Apnea timer
- Maximum depth 100m
- Light-weight

Suunto DM5:
- The Suunto DM5 allows you to download your dive logs for advanced analysis and create dive plans. Transfer dive logs from your compatible Suunto dive computer, upload dive plans, customize your dive computer and share everything with your friends on Suunto Movescount.

Suunto Movescount
- Transfer dive logs from all your compatible Suunto dive computers to Suunto Movescount. Enrich your logs with a short story, photos and videos. Add location info to your dive logs and share your journeys with friends and family. Follow your progress and other divers, create or join groups of like-minded members and participate in events.

Find a dealer:
- Find your nearest official Suunto dive product retailer from the dealer locator.

Key features:

- Freediving mode
- Innovative apnea timer
- Stop watch
- Water resistance up to 100 m (328 ft)
- Easy-to-read matrix display
- Mineral crystal glass and stainless steel bezel
- Updateable firmware
- Detailed graphical logs and dive data with your PC/Mac using Suunto DM5 software (USB cable sold separately)

Whats in the box?:
- Suunto D4f Black with black elastomer strap, scratch guards (2 pcs), safety leaflet, quick guide and dive legal leaflet with warranty information, Suunto logo sticker

Specifications:

GENERAL:
- Bezel material: Stainless steel
- Glass material: Mineral crystal
- Case material: Composite
- Strap material: Elastomer
- Weight 86 g / 3.03 oz
- Water resistance 100 m (ISO 6425, EN 13319)
- Battery life in time mode 2 years
- Battery life 100 dives/year 1.5 years
- Battery type CR 2450
- Time, date: yes
- Alarm clock 1 daily alarm
- Dual time: yes
- Stopwatch timer: yes
- Languages EN
- Backlight electro-luminescent
- Configurable backlight duration: off, 5, 10, 20, 30, 60 s
- Display type matrix
- Display resolution 49 x 22
- Battery indicator low battery indicator
- Metric and imperial units: yes

CONNECTIVITY:
- Data transfer: USB cable
- Connectivity (between devices): inductive
- Compatible with Suunto Movescount: yes
- Compatible with DM5: yes

PHYSICAL SPECIFICATIONS:
- Operating temperature: 0° C to +40° C / +32° F to +104° F
- Storage temperature: -20 ° C to +50 ° C / -4° F to +122° F

DIVING FUNCTIONS:

BASIC:
- Maximum operating depth (EN 13319) 100 m
- Freedive: yes
- Dive time 0 to 999 min
- Surface time 0 to 99 h 59 min
- No fly time: yes
- Ascent time display 0 - 199 min (- - after 199)
- Timer: es
- Logbook memory ~140 h (20 s sampling rate)
- Logbook bookmarks: es
- Logbook sampling rates: 1, 2, 5 s
- Dive History lifetime

FREEDIVING:
- Apnea timer (O2/CO2 tables)
- Freedive number: yes
- Freedive day history: yes
- Freedive total history lifetime
- Depth notify yes (5)
- Surface time notify: yes
- Depth alarm : yes
- Dive time alarm: yes

OUTDOOR FUNCTIONS:

WEATHER:
- Temperature: yes
- Temperature display range: -20° C to +50° C (+/- 2° C) / -9° C to +122° F (+/- 3.6° F)
- Temperature resolution: 1° C / 1.5° F

TRAINING FUNCTIONS:
- SPEED AND DISTANCE: Chrono

Specifications

Manual

Technical specifications of Suunto D4F

Weight

86 G / 3.03 Oz
Display Type

Matrix
Resolution

49 X 22
Bezel Material

: Stainless Steel
Case Material

: Composite
Wireless Connectivity

Inductive
Battery Type

Cr 2450
Water Resistance Rating

100 M (Iso 6425, En 13319)
Color

Black
Recommended Use

Diving
Features

Diameter <50 mm

Features of Suunto D4F

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

Features Diameter <50 mm

Features

Diameter <50 mm

Key differentiators

Constructed with a durable stainless steel bezel and mineral crystal glass.

Designed specifically for freediving, snorkeling, and spearfishing with a dedicated freediving mode.

Features an innovative apnea timer to help improve breathing technique.

Offers detailed graphical logbook analysis via Suunto DM5 software compatibility.

Water-resistant to 100 meters (ISO 6425, EN 13319).

Technology in Suunto D4F dive computer

Energy rating

Warnings

4.99 / 5

72 Reviews

What our customers are saying about Suunto D4F dive computer

An excellent, reliable dive computer perfect for freediving and spearfishing. Users love its simple, intuitive interface and easy-to-read display with key functions for depth and temperature. This high-quality watch is incredibly durable, lightweight, and stylish enough for daily wear. It features audible alarms and is considered a fantastic value, a must-have dive mate with solid performance

D4f clock

2025/08/31

nic

Very good quality watch, ideal for spearfishing. Fast shipping. Everything perfect.

Works and it is solid

2025/08/30

Julian

Solid watch that works great as spearfishing watch. Shows you all the info you need and is pretty bulletproof. Highly recommend it

The best price in the world

2025/08/29

Best quality

Very good diving watch, I use it for snorkeling and free diving! I have had it for two years and I have not encountered any problems yet, nor do I have anything negative to say, I am completely satisfied! Diveinn's price is the best on the world market! If it weren't for Diveinn I wouldn't be able to afford such a high-quality and expensive watch! Really very good and at this price it's a gift! It's 100% worth it!!!

Best price

2025/01/26

Nicolas

Good price, fast shipping.

Suunto 4df

2024/07/24

Evgeny

Fast delivery to Marbella. Perfectly packaged. I changed the battery and everything worked. No words, just super!!!!

D4f

2024/02/01

Nick

The watch is as good as it gets. l don't think it needs any further recommendations . Those who own one know it Very well: it's all you need on your free diving or spearfishing activity. Reasonably light, accurate measurements of depth, temperature,dive and surf time , without any unnecessary indications to distract you. A must have, value for money dive mate!

Very good computer

2023/04/03

Adrian

Very good computer,easy to use and looks solid...perfect choice for spearfishing!

Perfect Dive watch

2022/09/22

Vasil

Very good packing and safety delivery. I recommended It for every one who looks for high quality watch.

D4f watch

2021/10/28

vincendeau

In the top ! really simple and practical watch.

My favorite computer

2021/10/22

Александр

The best and most reliable, I accidentally drove over them in a car, after that they survived, I use the third year

Great watch

2021/09/17

Diāna

Excellent price and service of the store, I bought it for my husband as a gift, I hope you guessed right

Utilissimo

2021/08/21

Mara

Molto is simple to use. With spedizione alle Canarie and arrivato nei tempi foreseen.

Suunto D4

2021/07/18

Milena

At first glance it looks exelent, I haven’t tried it in water yet.

good

2021/06/14

Mantas Lomonosovas

It seems it works , good product. very simple to use. very happy.

Простота и надежность

2021/06/04

Māris

Мои первые часы. Часами доволен. Супер простые в использовании. Если кто то думает нужно ли брать, то берите, это того стоит :)

Great product

2021/05/29

Ivan

Very good diving computer at resonable price. Delivery was fast and you could track the product.

Great Watch

2021/05/29

Chris

Fabulous watch. Does absolutely everything you need for apnea. Looks good, great materials. Solid quality from Suunto. Also Scubastore is an excellent company. Quick delivery, no superfluous paperwork.

Надёжный и неприхотливый дайв компьютер

2021/03/25

Timur Smailov

Удобный в использовании компьютер по отличной цене. Только нужные функции и простота настройки.

Absolutely Gorgeous

2021/03/17

Tim

Replaces my daily watch. Great design.

Excellent

2021/03/15

Carlos

The purchase was very easy and the shipping very fast. The product looks great

Dimitrios

2021/03/14

Dimitrios

Good product. Quick delivery.

D4f

2021/01/26

Alexey

Cool computer, very satisfied, price quality is on top. I recommend

Quality, great interface, looks very good

2021/01/26

Peter Czislowski

I have had a number of other brands (Beuchat, Cressi, SEAC). This is by far the best quality. The interface is simple and clear. The watch looks soooo good! Excellent and functional and aesthetically pleasing purchase!!!

Great

2021/01/24

D Ab

Amazing computer, great price.

Perfect

2020/12/19

Fadi

Love this watch and for sure the best price in the market

Great !

2020/12/16

Rogerio

I received my watch in perfect condition and in order. Very satisfied! I recommend the page. Thanks.

Amazing product

2020/12/02

MRC

so happy with our purchase. We already ordered another one for my husband. Worth the price and the quality of the product is amazing. was able to use it in pool practice and open water and it works perfectly.

Sunnto d4f

2020/11/06

André Gonçalves

Super intuitive watch, perfect for underwater fishing. Excellent delivery service !! Once again I was completely satisfied with the product and the service.

Nice watch

2020/09/28

Mahdi

Easy to use and lightweighted. Has all the functions I need to freedive and spearfish.

Excellent product!

2020/09/23

Михаил

A simple, reliable device for diving while holding your breath. Nothing extra. Convenient user-friendly interface, convenient buttons. Regarding the D3, the only minus is the cost and the lack of the possibility of self-replacement of batteries.

Rewie

2020/09/03

Peter

Best of the best. Best prices, fast shipping, best quality. Just keep on.

Suunto d4

2020/08/10

Martin

I love it!!!

Good Product.

2020/07/31

Alex

The first impression is absolutely positive. Very functional, simple, all-in-one computer for freediver. Shipping was very fast, especially in this complicated time. Thanks!

Quality

2020/07/08

Denis

Good quality product, good and fast delivery, everything came up

It's okay

2020/06/13

hyuunn

very nice!

Good!

2020/06/13

hyun

goooooooooooooooooood~

Right

2020/06/05

Borja

All good and fast

Review

2020/06/05

Filip

Order placed was a little later by the corona but was timely notified by the site. wait for now to try it out, but happy with my purchase!

Very good

2020/06/02

Petar Radanovic

Best Watch

Great computer

2020/05/15

Marko

Great, easy to use, big screen and very function menu.

Great computer

2020/05/05

Alex

great computer

Easily the most popular freedive watch around the world.

2020/04/24

MAX

solid computer. Very intuitive.Perfect for my needs as a relatively new free diver.

freedive watch

2020/03/20

Bryan

Great product, great price & reasonable shipping with tracking (I live in the United States). Thank you guys

Very good

2020/03/10

Roberta Panzeri

Fully satisfied with the purchase; valuable tool and travel companion

Happy

2020/02/27

Nina

Very satisfied

Excellent computer

2020/02/24

Augusto

Very good, indispensable for all apneists

Quality goods

2020/02/21

Сергей

Excellent product, pleases with the quality of the material, the "company" is immediately visible, 2 protective glasses are included, it will help from scratches, the menu is intuitive.

Review

2020/02/10

EVGENIY

Excellent computer, came quickly, beautiful design, reliable construction

Moskalenkotaras@gmail.com

2020/01/13

Taras

Хорошие часы, очень подошли для подводной охоты. Доставка Укрпочтой до Киева в канун новогодних праздников чуть больше прогнозированого.

I bought a good product at an affordable price.

2019/12/12

Lee Junggu

I bought a good product at an affordable price.

Best watch for freediver

2019/10/31

Yeeun

Soo simple, easy interface And I love way it shows time when im out of water

Great choice

2019/10/27

Mile

Easy to use, reliable device

Рекомендую

2019/10/24

Сергей

Компьютер- лучший. Уже второй, вместо утонувшего.Со временем трескался ремешок на предыдущих моделях и... потеря потерь..УкрПочта привезла на 11 дней позже, все целое, таможенные пошлины не взымаются.

So good

2019/10/16

hanyoung yoon

My first dive watch Best value for money Simplest operation Best precision. Good.

Super

2019/09/20

Oleksandr

very satisfied

Excellent choice

2019/09/20

Michel

Very practical and easy to use. Elegant and comfortable to wear. Fast delivery with DHL company. Happy dives

Made specifically for freediving

2019/09/18

Mark

It has all the features I need for freediving. Highly recommend.

Very good

2019/09/05

ガク

Very easy to use and easy to see.

Review

2019/04/18

Таке

Cool computer for underwater hunting. Thanks to the staff of Scubastore, fast shipping, strong packaging.

Super computer

2019/04/09

Александр

Great thank you so much super computer

Easy and Precise

2019/03/10

Cyrus

My first dive watch. The thing that i like about D4F is the simplicity and precision of this dive computer. I even use this watch daily when i'm not diving.

The best computer for apnea on the market

2019/02/04

Antonio

Currently the best computer for freediving in circulation .... Arrived perfect and quite reasonable considering the Christmas holidays

About computer stunts d4f

2019/01/29

Игорь

Got a computer fast. Thanks to the store employees for prompt dispatch. The computer was very well packed. Now I use it as a watch. With the onset of heat I will use its functionality to the full. For people with a wide wrist and using a thick wetsuit, I recommend to purchase a strap extension. I am very satisfied. Thank you Diveinn.

All perfect

2019/01/15

Mirko

Great freediving computer! Excellent Scubastore service! Attentive to the customer, fast and reliable!

Product / service

2018/12/19

Filippo

All perfect. Super recommended.

Accuracy is the best ~ good product.

2018/12/17

정구

Accuracy is the best ~ good product.

Good product ~

2018/12/17

정구

Accuracy is the best ... good product.

100% satisfied

2018/12/17

Johan

100% recommended! nice product, nice service and price is affordable.

Umbsub

2018/12/15

Umberto

Great product. Fast Shipping

Watch

2018/12/07

Sioult

Excellent speed of sending and super quality of suunto

Great product

2018/09/12

Sandro Vendramini

Great product, arrived in a very fast time, clear to read and precise, the only doubt, the day after the arrival I tried it and I turned off and restarted twice giving low battery ... now I'm trying a few days to see if I was sent with a flat battery or if there is a factory defect. Five stars if the problem no longer occurs.

Super computer

2017/08/03

Vodko

Excellent quality. Fast shipping. Satisfied

Write your review

Write a review about this product

Review headline

First Name

E-mail

Product rating

Write your review

0 / 1000

The text cannot exceed 1.000 characters.

Your review is too brief! To validate it and receive your CoINNs, please add more details about your experience with the product.

Incorrect please try again You’ve exceeded the allowed number of comments per product for earning CoINNs. Thank you for leaving your feedback!

I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my query or request

Your feedback is important to us, your review about this product will be revised by our experts and will be published within 5 working days. Please make sure that your review focus on the product and your experience with it, this will help other customers make more confident decisions. For any issues with an order, please contact us.

Tradeinn Retail Services as the data controller will process your data in order to respond to your query or request. You can access, rectify and delete your data, as well as exercise other rights by consulting the additional and detailed information on data protection in our Privacy Policy.

Send

Answer the question

Write your answer

Write your review

0 / 1000

The text cannot exceed 1.000 characters.

Thank you for answering the question and helping other customers, your CoINNs will be credited to your account once the answer is published. You can see the number of CoINNs accumulated on your account. Incorrect please try again

Send

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-13

Generated by AI and verified

What is the Suunto D4f primarily designed for?

Answer of Generated by AI and verified

The Suunto D4f is a dive computer specifically designed for freediving, snorkeling, and spearfishing. It provides essential data like depth and dive time to enhance your underwater activities.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What materials are used in the Suunto D4f?

Answer of Generated by AI and verified

The Suunto D4f is constructed with a stainless steel bezel, a mineral crystal glass face, and a composite case. The strap is made from elastomer for a comfortable fit.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Can I replace the battery myself?

Answer of Generated by AI and verified

Yes, the Suunto D4f uses a CR 2450 battery that is user-replaceable.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is the Suunto D4f Dive Computer worth the investment for freediving users?

Answer of Generated by AI and verified

The Suunto D4f Dive Computer is an excellent choice for freediving users due to its accurate depth monitoring and user-friendly interface. Its durable construction and long battery life make it a reliable companion for underwater adventures.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What is the maximum depth rating for the Suunto D4f?

Answer of Generated by AI and verified

The Suunto D4f has a maximum depth rating of 100 meters.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What is the battery life of the Suunto D4f?

Answer of Generated by AI and verified

The Suunto D4f has a battery life of approximately 2 years, using a CR 2450 battery.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What kind of display does the Suunto D4f have?

Answer of Generated by AI and verified

The Suunto D4f is equipped with a matrix display and an electro-luminescent backlight for visibility.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Does the Suunto D4f have an apnea timer?

Answer of Generated by AI and verified

Yes, the Suunto D4f includes an apnea timer to help you train and improve your breathing technique for freediving.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What alarms are available on the Suunto D4f?

Answer of Generated by AI and verified

The Suunto D4f features several alarms, including a daily alarm, depth alarm, and dive time alarm to enhance safety and awareness during your dives.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Can I use the Suunto D4f for scuba diving?

Answer of Generated by AI and verified

The Suunto D4f is specifically designed for freediving. It does not have the air or nitrox modes required for scuba diving.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

How can I review my dive data from the Suunto D4f?

Answer of Generated by AI and verified

You can transfer your dive logs to a PC or Mac for analysis using a USB cable. Please note, the USB cable is sold separately.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is the USB cable for data transfer included with the Suunto D4f?

Answer of Generated by AI and verified

No, the USB cable required to transfer your dive logs to the Suunto DM5 software and Suunto Movescount is sold separately.

* Generated by AI based on customer and product data

2018-09-11

Jaquier

Hi, is she equipped for nitrox diving? And is the temperature of the water indicated?

Answer of TradeInn Expert

Hello! This is a dive computer, not suitable for scuba diving. Thank you for your question!

* Generated by AI based on customer and product data

2020-11-12

Esteban Javier

Does the Suunto d4f equipment measure the water temperature?

Answer of TradeInn Expert

Hello! Yes, it shows you the water temperature. Thank you for your question!

* Generated by AI based on customer and product data

2025-04-29

Leonardo David

Hello, does this product allow you to set depth alarms? And if so, are they audible or vibrating?

Answer of Gazmend

Yes, you can set depth alarms, sounds, no vibrations

Answer of Vadim

Hi! Yes, it does. It's a sound signal.

* Generated by AI based on customer and product data

2020-04-27

Luis

Hello, is the watch charged via the cable that has to be purchased separately or does it use a battery?

Answer of TradeInn Expert

Hello! It uses a battery. Not rechargeable. The USB cable for charging your dives in DM5 and Suunto Movescount is sold separately. Thank you for your question!

* Generated by AI based on customer and product data

Write your question

Ask a technical question about this product

Select

Question headline

First Name

E-mail

Write your question

0 / 1000

The text cannot exceed 1.000 characters.

Response from our expert

Incorrect please try again

Thank you for leaving your question about this product. We will reply to you by email as soon as possible. You’ve exceeded the allowed number of comments per product for earning CoINNs.

Still need help? Click “Send” and our expert will review your request again.

I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my query or request

Frequently bought together

Best sellers

Use cases

Dedicated Freediving 90% Fit

The Suunto D4f is specifically designed for freediving, offering a comprehensive suite of features tailored to breath-hold diving. It provides essential data like depth alarms, apnea timers, and surface time notifications to enhance safety and performance tracking.

Freedive mode,Apnea timer,Depth alarm,Surface time notify

Spearfishing 80% Fit

For spearfishers who rely on freediving techniques, the D4f offers a solid, streamlined tool. It tracks dive time, depth, and surface intervals without the complexity of scuba modes, allowing the user to focus on their hunt while monitoring critical safety data.

Freedive mode,Depth notify,Dive time alarm,Stainless steel bezel

Freediving Training and Log Analysis 85% Fit

This computer is a great all-rounder for divers looking to analyze and improve their performance. With a logbook memory of approximately 140 hours and adjustable sampling rates, it captures detailed data for post-dive review and progress tracking.

Logbook memory (~140 h),Adjustable logbook sampling rates (1s, 2s, 5s),Freedive day and lifetime history,Data transfer via USB cable

Advanced Snorkeling 60% Fit

For snorkelers who frequently perform shallow breath-hold dives, the D4f provides valuable depth and time information, enhancing safety beyond what a standard watch offers. It's a reliable upgrade for tracking surface time and short dives.

Depth display,Stopwatch timer,Water resistance to 100 m,Surface time notify

Best for

Ideal for Dedicated Freedivers

With a dedicated freediving mode, apnea timer, and extensive logbook memory, this computer provides all the essential functions for tracking and improving freediving performance.

Dive modes: ["freediving"], Apnea timer: "yes", Logbook memory: "~140 h", Freedive number tracking: "yes"

Best for Safety-Conscious Divers

This computer enhances safety with multiple configurable alarms, including depth and dive time, ensuring you stay within your planned limits on every dive.

Depth alarm: "yes", Dive time alarm: "yes", Surface time notify: "yes", Max depth rating: "100 m"

Great for Data-Driven Divers

Featuring a detailed logbook with a memory of approximately 140 hours and USB data transfer, this device allows for in-depth post-dive analysis of your performance.

Logbook memory: "~140 h", Data transfer: "USB cable", Logbook sampling rates: ["1 s", "2 s", "5 s"]

A Solid Upgrade for Regular Divers

This computer offers a feature-rich experience with a robust build, including a stainless steel bezel and mineral crystal glass, providing a reliable upgrade from a basic gauge.

Bezel material: "stainless steel", Glass material: "mineral crystal", Water resistance: "100 m (ISO 6425, EN 13319)", Dive modes: ["freediving"]

Benefits

FunctionalDedicated Features for Freediving Users

Designed specifically for freediving, this computer provides essential tools to enhance your underwater experience. It includes a dedicated freedive mode, an apnea timer for training, and tracks the number of your dives, allowing you to focus on your performance and safety.

Dive modes: freediving

Freedive mode: yes

Apnea timer: yes

Freedive number tracking: yes

FunctionalStay Informed with Critical Safety Alerts

Enhance your safety underwater with a suite of essential alarms. The computer features a depth alarm, a dive time alarm, and surface time notifications to help you manage your dives responsibly and stay aware of critical limits.

Depth alarm: yes

Dive time alarm: yes

Surface time notify: yes

FunctionalPremium Materials for a Confident Dive

Feel confident in your gear with a dive computer built from high-quality materials. The combination of a stainless steel bezel and a mineral crystal glass face provides durability while offering a sleek, professional appearance that reflects Suunto's commitment to performance and prestige.

Bezel material: stainless steel

Glass material: mineral crystal

Brand: suunto

FunctionalTrack and Review Your Dives in Detail

Keep a detailed record of your underwater adventures with extensive logging capabilities. The computer offers approximately 140 hours of logbook memory, tracks your daily and lifetime freediving history, and allows for data transfer via a USB cable for post-dive analysis.

Logbook memory: ~140 h

Freedive day history: yes

Freedive total history: lifetime

Data transfer: USB cable

FunctionalEngineered for Dependable Diving

Dive with confidence knowing your computer is built for the demands of the underwater environment. It is water-resistant to 100 meters, meeting ISO 6425 and EN 13319 standards, and features a user-replaceable battery with a 2-year life, ensuring it's ready when you are.

Max depth rating: 100 m

Battery life: 2 years

User replaceable battery: CR 2450

Ideal buyer profiles

The Adventurous Hobbyist Diver

This diver is passionate about freediving and seeks reliable, straightforward equipment to support their underwater explorations. They value durability and essential features over complex, multi-gas functionalities, focusing on tracking their progress and enhancing safety during recreational dives.

The Suunto D4f is an excellent match, featuring a dedicated freediving mode with an apnea timer, depth alarms, and surface time notifications. Its robust build with a stainless steel bezel and mineral crystal glass ensures durability, while the lifetime freedive history and ~140-hour logbook memory allow for comprehensive performance tracking.

The Tech-Savvy Diving Enthusiast

This individual appreciates technology that enhances their diving experience through detailed data collection and a clear interface. They want to monitor their performance metrics, review dive history, and use a device that is both functional and well-built.

With its matrix display, electro-luminescent backlight, and detailed logbook with sampling rates as frequent as every second, the D4f meets the need for precise data. The ability for the user to replace the CR 2450 battery adds convenience, and features like the apnea timer and depth alarms provide the tech-focused functionality they desire.

The Price-Sensitive Casual Diver

This diver is looking for a dependable and easy-to-use dive computer specifically for freediving without the high cost of advanced, multi-mode devices. They prioritize core safety features, reliability, and ease of use for their occasional diving trips.

The Suunto D4f offers a focused feature set for freediving, providing essential functions like depth and dive time alarms without the complexity and cost of scuba-oriented computers. Its 2-year battery life and straightforward operation make it a reliable and practical choice for the casual freediver.

Competitive features

When choosing a dive computer, it's important to weigh features against your specific needs. The Suunto D4f is a specialized tool designed primarily for freediving and spearfishing. It focuses on providing essential data like depth and dive time in a lightweight, intuitive package. The Suunto D4f carves out its niche by excelling at the specific requirements of breath-hold diving.

Where it excels

The Suunto D4f is purpose-built for freediving, snorkeling, and spearfishing, offering a streamlined user experience with features like an apnea timer to help improve breathing techniques. It features a lightweight design with a stainless steel bezel, making it durable for underwater use yet stylish enough for daily wear, a key point mentioned in user feedback. Its simple, intuitive interface and easy-to-read display are highly valued by users, providing key data like depth and temperature without unnecessary complexity.

Consider alternatives if...

For SCUBA divers who require modes for Air or Nitrox, alternatives like the Aqualung I300c or Mares Quad 2 would be more suitable, as the D4f is specialized for freediving. Divers looking for advanced features such as a digital compass or wireless air integration will need to look at other models, as these are not listed features of the Suunto D4f.

Verdict

The Suunto D4f is an excellent choice for its intended audience: freedivers, snorkelers, and spearfishers. It delivers reliable performance with a focus on the essential metrics for these activities. Its lightweight, durable, and stylish design makes it a practical and appealing option. However, SCUBA divers or those needing more advanced features like multi-gas modes or a compass should explore other dive computers that cater to those needs.

Specs comparison

	Suunto D4F dive computer	Suunto Vyper Novo Dive Computer	Suunto Eon Core Dive Computer	Suunto D4i Without Usb Dive Computer
Material	Composite	-	Composite, Mineral crystal, Reinforced composite, Elastomer	stainless steel
Battery Life	2 years	1.5 years	10-20 hours	-
Max Depth Rating	100m	80 m	-	-
User Replaceable Battery	yes	Yes	-	-
Water Resistance	100 m (ISO 6425, EN 13319)	80 m (ISO 6425, EN 13319)	80 M	100 M
Wireless Connectivity	inductive	Inductive	Inductive (Up To 20 Tank Pods), Bluetooth Smart	Inductive

Specs vs competitors

	Suunto D4F dive computer	Seac Computer Apnea Dive Computer	Seac Computer Apnea Hr Dive Computer	Salvimar Freedive With Depth Gauge Spearfishing Computer
Material	Composite	Stainless Steel	Reinforced Composite	-
Adjustable Brightness	off, 5, 10, 20, 30, 60 s	-	Yes	EL Backlight: For clear visibility in low-light conditions.
Alarm Function	1 daily alarm	-	Customizable alarms for hydration, depth, and dive time; alarms can be deactivated	Max Diving Depth Alarm: One customizable alarm for your target maximum depth.
Battery Life	2 years	User-Replaceable	-	-
Dive Modes	freediving	Apnea, SCUBA, Gauge	Freediving Mode	-
Max Depth Rating	100 m	100 Meters / 330 Feet	100 meters	100 Mt.
User Replaceable Battery	CR 2450	Yes	-	Yes
Water Resistance	100 m (ISO 6425, EN 13319)	100 Meters / 330 Feet	100 meters	100m Water Resistant
Wireless Connectivity	inductive	-	Yes	-
Display Size	49 x 22	47 mm	<50 mm	wrist-mounted
Type	Dive Computer	watch-style	Freediving Computer	wrist
Battery Type	CR 2450	Cr2450	-	CR2032