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Suunto

Suunto D4i Without USB dive computer

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Features of Suunto D4i Without USB

Product description of Suunto D4i Without USB dive computer

Description summary

Venture into the deep with the Suunto D4i dive computer. Engineered for freedivers, this lightweight watch offers exceptional freediving functions and four dive modes, all powered by the Suunto RGBM algorithm. Enhance your experience with optional wireless air integration to monitor your tank pressure and air time directly on your wrist. Built with a durable stainless steel bezel and mineral crystal glass, the D4i is the ideal, reliable companion for all your underwater adventures

Venture to everything you´ve always dreamed with the Suunto D4i, a sports watch that offers you the best freedive functions. This watch is integrated with wireless reading of your tank pressure and air time.

The Suunto D4i is integrated with options for free diving, light weight, 4 modes incl. and Suunto RGBM technology. Made of stainless steel, with glass mineral glass, elastomer on the strap. All this makes this watch for diving the ideal for all your underwater adventures. What do you expect to get yours?

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.

Made in Finland with 100% renewable energy.

An adventure should take you anywhere, any way you want to get there.

That´s why Suunto D4i gives you great freedive features as well as the option of a wireless readout of your tank pressure and air time.

Go with your own dive inspiration you´ll be amazed at how far you can go on just one breath.

The D4i Black comes with an elastomer strap and doesn´t include a USB interface cable.

Features:- 4 modes incl.

- Freediving - Light weight - Optional wireless air integration - Suunto RGBM Specifications:- Measurements:48.6 x 43.8 x 16 mm / 1.91 x 1.72 x 0.63 - Weight:85 g / 3 oz - Bezel material:Stainless steel - Glass material:Mineral crystal - Case material:Composite - Strap material:Elastomer.


Specifications

Technical specifications of Suunto D4i Without USB

  • Weight

    92 G / 3.25 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

    Interface included

  • Features

    Nitrox compatible

  • Features

    Diameter <50 mm

  • Features

    Optional Air management

Features of Suunto D4i Without USB

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

Features Interface included

Features

Interface included

Nitrox compatible

Nitrox compatible

Diameter <50 mm

Diameter <50 mm

Optional Air management

Optional Air management

Key differentiators

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

Features four dive modes, including a dedicated freediving mode, powered by the Suunto RGBM algorithm.

Offers optional wireless air integration to monitor tank pressure and air time.

Supports nitrox diving for extended bottom times.

Water-resistant to 100 meters, compliant with ISO 6425 and EN 13319 standards.

Technology in Suunto D4i Without USB dive computer

Energy rating

Warnings

5 / 5

3 Reviews

What our customers are saying about Suunto D4i Without USB dive computer

This dive computer is praised for its excellent build quality, from the strap to the buttons. Its lightweight, non-bulky design makes it a great scuba watch for everyday wear. It offers accurate data and well-integrated functions suitable for both beginners and advanced divers. The screen is well-lit, though some divers find its compact size makes the numbers less visible underwater compared to larger models. It´s considered a reliable and functional choice with a nice design

Suunto D4i Without USB dive computer

Well

2023/06/01

Marta

Good product, light, legible, and not bulky so you can wear it regularly

Suunto D4i Without USB dive computer

Probably the best

2021/06/09

Fríða Líf

I love this as a DM and my OW hubby deserved a gift so I bought him this one. Not in any way a widow maker like some of them and not to conservative either. Really recommend this one. Easy to wear everyday to work on your scuba tan

Suunto D4i Without USB dive computer

Practicality

2020/07/08

Denis

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

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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

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What materials are used to build the Suunto D4i dive computer?

Answer of Generated by AI and verified

The Suunto D4i is constructed with a stainless steel bezel, a composite case, mineral crystal glass for the display, and an elastomer strap for durability and comfort.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

Is this dive computer suitable for freediving?

Answer of Generated by AI and verified

Yes, the Suunto D4i is engineered with specific functions for freediving, in addition to its other dive modes. It is described as a lightweight option with exceptional freediving capabilities.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What kind of battery does the Suunto D4i use?

Answer of Generated by AI and verified

This dive computer uses a CR 2450 battery.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

Is the Suunto D4i dive computer worth the investment for serious divers?

Answer of Generated by AI and verified

The Suunto D4i dive computer offers advanced features like four dive modes and wireless air integration, making it a valuable tool for serious divers seeking reliable performance.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What is the maximum depth rating for the Suunto D4i?

Answer of Generated by AI and verified

The Suunto D4i has a maximum depth rating of 100 meters.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What type of display does the Suunto D4i have?

Answer of Generated by AI and verified

The Suunto D4i features a matrix display.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

How many dive modes does the Suunto D4i support?

Answer of Generated by AI and verified

The Suunto D4i includes four dive modes, which feature specialized functions for freediving.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What is the water resistance of the Suunto D4i?

Answer of Generated by AI and verified

This dive computer has a water resistance rating of 100 meters, compliant with ISO 6425 and EN 13319 standards.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

Is the Suunto D4i a good choice for both beginners and advanced divers?

Answer of Generated by AI and verified

Yes, the product description notes that its accurate data and well-integrated functions make it suitable for both beginners and more experienced divers.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

Can I use the Suunto D4i for everyday wear?

Answer of Generated by AI and verified

Yes, the product description mentions its lightweight and non-bulky design makes it a great option for everyday wear, not just for diving.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

Does the Suunto D4i support wireless air integration?

Answer of Generated by AI and verified

Yes, this dive computer offers optional wireless air integration, allowing you to monitor your tank pressure and remaining air time directly on the device.

* Generated by AI based on customer and product data

2026-09-08

Generated by AI and verified

Suunto D4i Without USB dive computer

What type of wireless connectivity does the Suunto D4i use?

Answer of Generated by AI and verified

The Suunto D4i uses inductive wireless connectivity, which is used for its optional air integration feature.

* Generated by AI based on customer and product data

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Frequently bought together
Best sellers

Use cases

Recreational Scuba Diving 90% Fit

With a 100-meter depth rating and support for Nitrox, this computer is a reliable upgrade for regular recreational divers. The Suunto RGBM algorithm provides trustworthy decompression calculations for enhanced safety on no-stop dives.

Suunto RGBM algorithm,Nitrox compatible,100 M max depth rating,4 dive modes

Freediving and Apnea Training 80% Fit

The inclusion of a dedicated freedive mode makes this a versatile choice for divers who also practice breath-hold diving. It tracks depth and time, providing essential data for safely progressing in apnea training.

4 dive modes (including freediving),Wrist-mounted design,Accurate depth monitoring,Matrix display

Dive Travel 85% Fit

The robust construction with a stainless steel bezel and mineral crystal glass ensures durability for travel. Its versatile dive modes, including Air and Nitrox, make it a great all-rounder for various dive destinations and conditions.

Stainless Steel bezel,Mineral crystal glass,Composite case,Nitrox compatible

Backup Dive Computer 75% Fit

For technical divers or instructors needing redundancy, this computer serves as a solid backup. Its gauge mode provides essential depth and time information, while the reliable Suunto RGBM algorithm offers a trustworthy secondary decompression model.

4 dive modes (including gauge mode),Suunto RGBM algorithm,100 M water resistance,Clear matrix display

Best for

Best for Adventurous Hobbyists

With four dive modes including Nitrox and Free Dive, plus optional wireless air integration, this computer offers versatile functionality for those who regularly explore different underwater environments.

Dive modes: 4 modes incl.; Optional air integration: yes; Nitrox compatible: yes

A Reliable Upgrade for Regular Divers

This computer provides a solid performance upgrade, featuring the proven Suunto RGBM algorithm, a matrix display, and optional wireless air integration for enhanced data tracking.

Algorithm: Suunto RGBM; Display type: Matrix; Optional air integration: yes

Ideal for Committed Divers

Built with a stainless steel bezel and mineral crystal glass, this wrist computer offers trustworthy performance and durability for frequent diving, rated to a depth of 100 meters.

Bezel material: Stainless Steel; Glass material: Mineral crystal; Max depth rating: 100 M

Benefits

FunctionalAdapt to Various Dives with Multiple Modes

This dive computer is equipped with four distinct dive modes, providing the versatility needed for different underwater adventures. Whether you're on a standard air dive, using nitrox, or freediving, you can select the appropriate mode for accurate tracking and planning.

Dive modes: 4 modes incl.

FunctionalUtilizes the Advanced Suunto RGBM Algorithm

At the core of this dive computer is the Suunto RGBM algorithm, a sophisticated model for managing decompression stops. This provides divers with a reliable tool for planning and executing safer dives by continuously calculating tissue gas loading.

Algorithm: Suunto RGBM

FunctionalGrow Your Diving with Optional Air Integration

This dive computer supports optional wireless air integration, allowing you to monitor tank pressure directly from your wrist. This feature offers a path to upgrade your setup for a more streamlined and comprehensive diving experience as your skills advance.

Optional air management: yes

Ideal buyer profiles

The Professional Diver

This individual dives frequently, often as an instructor or guide, and relies on their equipment for safety and performance in various conditions. They need a computer that is robust, reliable, and provides essential data at a glance.

The Suunto D4i is an excellent choice, featuring a durable stainless steel bezel and a composite case rated for depths up to 100 meters. Its use of the Suunto RGBM algorithm provides trustworthy decompression calculations, and with four dive modes, including support for Nitrox, it offers the versatility required for professional use. The option for wireless air integration further enhances its utility for serious divers.

The Tech-Savvy Diving Enthusiast

This diver is passionate about the latest technology and wants to integrate it into their hobby. They appreciate devices that offer advanced features, connectivity, and the ability to track and analyze their dive performance in detail.

With its optional wireless air integration, the Suunto D4i allows this diver to monitor tank pressure directly on their wrist. The computer's four dive modes and detailed logging capabilities, managed via the included interface, cater to their desire for comprehensive data analysis post-dive. The matrix display provides clear access to all critical information, aligning with their preference for high-tech, user-friendly gear.

The Adventurous Hobbyist Diver

This diver explores a variety of underwater environments as a recreational pursuit. They seek a dive computer that is easy to use but doesn't compromise on essential safety features, allowing them to focus on the adventure.

The Suunto D4i provides a great balance of functionality and simplicity for the hobbyist. Its clear matrix display and intuitive interface make it easy to manage during a dive. The inclusion of the Suunto RGBM algorithm, Nitrox compatibility, and a 100-meter depth rating provides the core safety and performance features needed to confidently explore new dive sites.

Competitive features

When choosing a dive computer, it's essential to weigh features, design, and suitability for your diving style. We're comparing the Suunto D4i Without Usb Dive Computer to several popular alternatives, including the Oceanic Veo 4.0, Ratio Idive Color Easy, Crest Cr4, Aqualung I200c, and Scubapro Luna 2.0. This analysis focuses on key differentiators to help you make an informed decision.

Where it excels

The Suunto D4i stands out with its lightweight, non-bulky design, making it suitable for everyday wear as well as underwater adventures. It is engineered with specific functions for freediving, a feature not commonly highlighted in general-purpose dive computers. Constructed with a durable stainless steel bezel and mineral crystal glass, the D4i is praised for its excellent build quality from the strap to the buttons.

Consider alternatives if...

Divers who prioritize maximum at-a-glance readability underwater might prefer competitors with larger screens, as the D4i's compact display can make the numbers appear smaller.

Verdict

The Suunto D4i is a reliable and functional choice, particularly for freedivers or those who value a lightweight, well-built computer that can double as an everyday watch. It offers four dive modes and optional wireless air integration, catering to both beginners and advanced users. While its screen is noted as being compact, its robust construction and specialized freediving features make it a strong contender in its category. It strikes a balance between everyday wearability and serious diving functionality.

Specs comparison

Favorite On Favorite Off
Materialstainless steel, mineral glass, composite, elastomerComposite
Water Resistance100 M (Iso 6425, En 13319)100 m (ISO 6425, EN 13319)
Wireless ConnectivityInductiveinductive

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Materialstainless steel, mineral crystal, composite, elastomer--Lightweight DesignMineral Glassmetallic faceplate
Dive Modes4 modes incl.Scuba, Freediving, Gauge4Scuba, Gauge, ApneaScuba, Gauge, Freediving, TrimixScuba, Gauge
Max Depth Rating100 M394ft/120m330 Ft / 100 M-394ft (120m)-
Water Resistance100 M394ft / 120m330 Ft / 100 MUnderwater394ft (120m)-
Wireless ConnectivityInductiveInfraredBluetooth-Bluetooth Low EnergyBluetooth LE 4.0
Display Size49 x 22LCD-Matrix DisplayHigh-resolution segmented display-
Typewristwrist mount, two-gauge console, three-gauge consoleWrist Or Console ComputerwristDive Computerhose-attached dive computer
Battery TypeCr 2450CR2450Cr2450-CR2450CR2450
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