Technical sheet

Crest CR4 Dive dive computer

Name: Crest CR4 Dive dive computer
Brand: Crest
SKU: 140651249
Price: 339 EUR
Availability: InStock
Rating: 5 (1 reviews)

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1 Reviews

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Features of Crest CR4 Dive

Product description of Crest CR4 Dive dive computer

Description summary

Explore the depths with the compact CREST CR-4 Dive Computer. Featuring 3 versatile modes—Diving (Air/Nitrox), Freediving, and Gauge—it´s perfect for recreational divers. Manage settings and access your logbook via the intuitive phone app, connected through Bluetooth. With a backlit display, rechargeable battery, and a robust 100m depth limit, the CR-4 offers over 900 dives of log storage. Its durable stainless steel bezel and tempered glass lens ensure reliability. Dive smarter, dive safer

CREST CR-4 DIVE COMPUTER.

The Crest CR-4 is a great yet small dive computer/swatch that features 3 dive modes, Diving (air or nitrox), Freediving, and Gauge.

These modes and their respective user settings are changeable on the computer itself or the handy phone app which also serves as a logbook.

With a backlit display and a relatively modest form factor this is bound to become a very popular choice for the avid recreational diver! FEATURES.

3 Modes:

Freediving, Diving & Gauge.

Rechargeable Lithium-ion battery.

300+ charge cycle.

Fast charging (up to 85% in 1hr).

Residual Nitrogen Time resettable.

Dive settings and logs resettable.

Bluetooth connectivity to phone app.

CREST CR-4 SPEC.

Operating Depth Limit.

100 meters / 330 feet.

Multiple Modes.

Scuba, Gauge, Apnea Mode.

Air and Nitrox.

Oxygen 21%~56%.

Algorithm.

Buhlmann ZH-L16C.

Safety Factor.

Conservative, Normal, Aggressive.

Battery Type.

Rechargeable Battery (300+ charge cycle).

Battery Life (Dive Mode).

25 dives with backlight on.

Battery Life (Standby mode).

up to 3 months.

Dive Log storage.

900+.

Screen resolution.

110 x 110 PIXEL.

Display size.

2.9cm / 1.14″.

Weight.

95g±5g.

Bezel and Button.

316 stainless steel.

Lens.

K1 tempered glass.

Straps.

22MM anti-allergic silicone.

Temperature Displayed.

0°C ~ 40°C (32°F ~ 104°F).

Operating Temperature.

-5°C ~ 40°C (23°F ~ 104°F).

Specifications

Manual

Technical specifications of Crest CR4 Dive

Weight

95g±5g
Display Type

Backlit Display
Screen Size

2.9cm / 1.14″
Resolution

110x110 Pixel
Bezel Material

316 Stainless Steel
Lens Material

K1 Tempered Glass
Wireless Connectivity

Bluetooth
Battery Type

Rechargeable Battery
Thermometer

Yes
Water Resistance Rating

100 Meters / 330 Feet
Color

Silver
Recommended Use

Diving
Features

Nitrox compatible
Features

Rechargeable batterie

Features of Crest CR4 Dive

Color Silver

Color

Silver

Recommended Use Diving

Recommended Use

Diving

Features Nitrox compatible

Features

Nitrox compatible

Rechargeable batterie

Key differentiators

Bluetooth connectivity for seamless integration with a phone app for settings and logbook management.

Durable construction with a 316 stainless steel bezel, K1 tempered glass, and a 100-meter depth rating.

Efficient power management with a fast-charging rechargeable battery providing for 25 dives per charge.

Extensive logbook capacity, storing data for over 900 dives.

Versatile multi-sport functionality with Diving (Air/Nitrox), Freediving, and Gauge modes.

Technology in Crest CR4 Dive dive computer

Energy rating

Warnings

5 / 5

1 Reviews

What our customers are saying about Crest CR4 Dive dive computer

Correct quality-price ratio

2024/05/07

Quel

Genial

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Include AI Generated questions and answers

2026-07-29

Generated by AI and verified

Is the Crest CR-4 Dive Computer suitable for beginners?

Answer of Generated by AI and verified

Yes, the Crest CR-4 is an excellent choice for recreational divers, including beginners. It features three straightforward modes: Diving (Air/Nitrox), Freediving, and Gauge. The settings can be managed through an intuitive phone app, which also serves as your logbook, making it user-friendly for those new to dive computers.

* Generated by AI based on customer and product data

2026-07-29

Generated by AI and verified

What are the main dive modes available on the Crest CR-4?

Answer of Generated by AI and verified

The Crest CR-4 Dive Computer is equipped with three versatile modes to suit different underwater activities: Diving (compatible with both Air and Nitrox), Freediving, and a standard Gauge mode.

* Generated by AI based on customer and product data

2026-07-29

Generated by AI and verified

What is the battery life of the Crest CR-4 dive computer?

Answer of Generated by AI and verified

The Crest CR-4 features a rechargeable lithium-ion battery. On a full charge, it provides enough power for approximately 25 dives with the backlight on.

* Generated by AI based on customer and product data

2026-07-29

Generated by AI and verified

Can I use the Crest CR-4 for Nitrox diving?

Answer of Generated by AI and verified

Yes, the Crest CR-4 is Nitrox compatible. Its 'Diving' mode supports both standard air and Nitrox mixes with an oxygen percentage from 21% to 56%, making it a versatile option for recreational divers.

* 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

This computer is a great all-rounder for regular recreational divers using Air or Nitrox. Its versatile dive modes, reliable Buhlmann ZH-L16C algorithm, and user-adjustable safety factors provide a solid, feature-rich experience for sport diving.

Diving (Air/Nitrox) mode,Buhlmann ZH-L16C algorithm,Adjustable safety factors (Conservative, Normal, Aggressive),100 meters / 330 feet max depth rating

Freediving Sessions 80% Fit

With a dedicated Freediving mode, this computer offers enhanced functionality for breath-hold divers looking to track their performance. It provides essential data for training and safety during freediving activities.

Freediving mode,100 meters / 330 feet water resistance,Backlit Display,Rechargeable Battery

Dive Log Management and Analysis 95% Fit

For the tech-savvy diver who wants to track progress, this computer excels. Bluetooth connectivity allows for seamless syncing of dive data to a phone app, while the 900+ dive log storage ensures you can keep a detailed history of your underwater adventures.

Bluetooth connectivity,900+ dives log storage,Rechargeable battery with fast charging,Dive settings and logs resettable

Backup Dive Computer or Gauge Mode Use 75% Fit

As a reliable upgrade or a secondary device, its dedicated Gauge mode offers a straightforward, no-frills option for monitoring depth and time. The durable construction with a stainless steel bezel and tempered glass lens ensures it can serve as a trustworthy backup.

Gauge mode,100 meters / 330 feet water resistance,K1 tempered glass lens,316 stainless steel bezel

Best for

Best for Tech-Focused Divers

With Bluetooth connectivity for syncing with a phone app, a rechargeable battery, and multiple dive modes, this computer offers the enhanced functionality and data management you value.

Wireless connectivity: Bluetooth; Battery type: Rechargeable Battery; Dive modes: Diving (Air/Nitrox), Freediving, and Gauge

A Reliable Upgrade for Regular Divers

This computer is a great all-rounder, offering versatile dive modes, a durable build with a stainless steel bezel, and a backlit display for clear visibility on all your underwater adventures.

Great All-Rounder for Committed Divers

This feature-rich computer provides a solid performance upgrade with a reliable Buhlmann ZH-L16C algorithm, extensive 900+ dive log storage, and a max depth rating of 100 meters.

Algorithm: Buhlmann ZH-L16C; Dive log storage: 900+ dives; Max depth rating: 100 meters / 330 feet

Ideal for Data-Driven Dive Logging

Track and review your regular dives easily thanks to Bluetooth connectivity for app-based logbooks and settings management, plus a generous 900+ dive log capacity.

Wireless connectivity: Bluetooth; Dive log storage: 900+ dives

Benefits

FunctionalSeamlessly Sync and Analyze Your Dives

Easily transfer your dive data to other devices for post-dive analysis and logging. With Bluetooth connectivity and storage for over 900 dives, you can keep a detailed digital record of your underwater adventures.

Wireless connectivity: Bluetooth

Dive log storage: 900+ dives

FunctionalAdapts to Various Dive Profiles

This dive computer supports multiple dive types, including standard Diving with Air or Nitrox, Freediving, and a simple Gauge mode. It accommodates oxygen percentages from 21% to 56%, making it a versatile tool for different underwater activities.

Dive modes: Diving (Air/Nitrox)

Freediving

and Gauge

Oxygen percentage range: 21%~56%

FunctionalBuilt for Durability and Reliability

Dive with confidence knowing your computer is built to last. It features a robust 316 stainless steel bezel and a K1 tempered glass lens, offering resilience against the demands of underwater environments.

Material: 316 stainless steel

K1 tempered glass

22MM anti-allergic silicone

Lens material: K1 tempered glass

FunctionalSpend More Time Diving, Less Time Charging

The rechargeable battery powers up to 25 dives and offers a fast-charging capability that reaches up to 85% in just one hour. With a standby life of up to 3 months, it's ready for your next dive when you are.

Battery life: 25 dives with backlight on

Fast charging: up to 85% in 1hr

Battery life standby: up to 3 months

FunctionalRead Your Data Clearly at Any Depth

The backlit display ensures that your critical dive information is easy to read, whether you're in bright, shallow waters or on a deeper, darker dive. The 110x110 pixel resolution provides sharp, clear data at a glance.

Resolution: 110x110 Pixel

Ideal buyer profiles

The Tech-Savvy Diver

This diver embraces technology to enhance their underwater experiences. They value seamless connectivity, detailed data logging, and the convenience of managing their gear through smart devices.

The Crest CR4 is an excellent choice for this profile, offering Bluetooth connectivity to sync with a phone app. This allows them to easily manage settings and review a comprehensive digital logbook with a capacity for over 900 dives. The rechargeable battery with fast charging and a clear backlit display further appeal to their preference for modern, high-tech equipment.

The Adventurous Hobbyist Diver

This individual dives regularly for recreation and exploration, seeking reliable and versatile equipment for various dive conditions. They prioritize performance, durability, and safety features that can support their adventures.

With its robust construction featuring a 316 stainless steel bezel and K1 tempered glass lens, the CR4 offers the durability this diver needs. It supports multiple modes including Diving (Air/Nitrox), Freediving, and Gauge, making it adaptable for different types of dives.

The Professional Diver

This user relies on their dive computer for work, requiring a device that is robust, reliable, and provides clear, accurate data. Key features for them include durable construction, extensive log storage, and easily resettable settings for back-to-back dives or teaching scenarios.

The Crest CR4 meets the demands of professional use with its durable materials and a rechargeable battery rated for over 300 charge cycles. The ability to reset residual nitrogen time and dive settings is crucial for divemasters and instructors. Furthermore, the extensive log storage for over 900 dives ensures they can maintain a thorough record of their professional activities.

Competitive features

When choosing a dive computer, it's essential to compare features that align with your diving style. The Crest Cr4 Dive Computer offers a compact and versatile option for recreational divers. We'll look at how it stands against competitors like the Mares Smart Air and Oceanic Veo 4.0, focusing on its core functionalities and intended user.

Where it excels

Features three distinct modes—Diving (Air/Nitrox), Freediving, and Gauge—making it a versatile tool for recreational divers. Includes Bluetooth connectivity for seamless integration with a phone app, allowing for easy management of settings and logbooks.

Consider alternatives if...

The provided comparison data does not highlight any specific advanced features where competitors might have an advantage, such as air integration or a built-in compass. Divers seeking these specific high-end functionalities may want to research other models more deeply.

Verdict

The Crest Cr4 Dive Computer is a solid choice for recreational divers who prioritize core functionality, ease of use, and durability. Its three dive modes, app connectivity via Bluetooth, and robust construction make it a reliable companion for exploring the depths. While it may not have some of the specialized features found in higher-end models, it provides all the essential tools for safe and enjoyable diving in a compact package.

Specs comparison

	Crest CR4 Dive dive computer	Crest Cr4 Dive Dive Computer
Material	316 stainless steel, K1 tempered glass, 22MM anti-allergic silicone	316 stainless steel, K1 tempered glass, 22MM anti-allergic silicone
Battery Life	25 dives with backlight on	25 dives with backlight on
Dive Modes	Diving (Air/Nitrox), Freediving, and Gauge	Diving (Air/Nitrox), Freediving, and Gauge
Max Depth Rating	100 meters / 330 feet	100 meters / 330 feet
Water Resistance	100 Meters / 330 Feet	100 Meters / 330 Feet
Wireless Connectivity	Bluetooth	Bluetooth

Specs vs competitors

	Crest CR4 Dive dive computer	Cressi Giotto Dive Computer	Aqualung I300c Dive Computer	Seac Computer Apnea Dive Computer	Cressi King Dive Computer	Cressi Giotto 2.0 Dive Computer
Material	316 stainless steel, K1 tempered glass, 22MM anti-allergic silicone	stainless steel	-	Stainless Steel	Mineral Glass	-
Battery Life	25 dives with backlight on	long	-	User-Replaceable	Long-lasting Battery	Up to 2 years
Dive Modes	Diving (Air/Nitrox), Freediving, and Gauge	Air, Nitrox, Gauge (Profondimeter), Apnea	Air, Nitrox, Gauge, Free	Apnea, SCUBA, Gauge	Multiple modes: Dive (Air/Nitrox), Freediving, Gauge, and Off	Air, Nitrox, Gauge, Free Diving
Max Depth Rating	100 meters / 330 feet	-	100m/330 ft	100 Meters / 330 Feet	120 M	120 meters (394 feet)
Water Resistance	100 Meters / 330 Feet	-	-	100 Meters / 330 Feet	120 M	-
Wireless Connectivity	Bluetooth	Optional Bluetooth connection	Bluetooth	-	Bluetooth	-
Display Size	2.9cm / 1.14″	high-visibility UFDS screen	Segment	47 mm	35 Mm	Segmented LCD
Battery Type	Rechargeable Battery	User-replaceable Batteries	user-changeable battery	Cr2450	-	user-replaceable battery