CREST CR-4 Dive Computer

Description

CREST CR-4 Dive Computer

The CREST CR-4 Dive Computer is one of our best-selling dive computers and a great choice for beginner and recreational divers who want something simple, reliable, and easy to use. It gives you the key dive information you need underwater without making things feel complicated.

Rated to 100m / 330ft, the CR-4 supports Scuba, Gauge, Apnea/Freediving, and Nitrox diving. It also supports Air and Nitrox from 21% to 56% oxygen and uses the Bühlmann ZH-L16C algorithm.

With a rechargeable battery, fast charging up to 85% in 1 hour, audible and vibration alarms, and 900+ dive log storage, the CR-4 is a practical everyday dive computer for training, travel, and regular diving.

New in 2026: The DIVEROUT App (V 8.40) is available for iOS users. The app is free to use with no subscription needed. Android users can continue using the DIVE STORY PRO App until the Android version of DIVEROUT is released.

 

 

 

Features and Benefits

One of our best-selling dive computers

Great choice for beginner and recreational divers

Simple, compact, and easy to use

Supports Scuba, Gauge, Apnea/Freediving, and Nitrox diving

Rated to 100m / 330ft

Supports Air and Nitrox from 21% to 56% oxygen

Uses the Bühlmann ZH-L16C algorithm

Adjustable safety factors: Conservative, Normal, and Aggressive

Rechargeable lithium-ion battery

Fast charging up to 85% in 1 hour

Up to 25 dives in Dive Mode with backlight on

Standby battery life up to 3 months

Stores 900+ dive logs

Audible and vibration alarms

Resettable residual nitrogen time, dive settings, and logs

Compact wrist-style design, 95g ± 5g

Free DIVEROUT App for iOS users, no subscription needed

DIVE STORY PRO App for Android users until DIVEROUT Android is released

Specifications

What’s Included

CREST CR-4 Dive Computer with medical-grade silicone wrist strap

Dedicated USB charging cable with charging clip

Warranty card

Who Is the CREST CR4 For?

The CR4 is well suited to:

Beginner divers looking for a computer they can continue using as they gain experience

Recreational scuba divers

Divers who also enjoy Freediving

Divers who prefer a rechargeable computer

Travellers looking for a compact and versatile dive computer

Divers who value both audible and vibration alerts

Why Choose the CREST CR4?

The CR4 offers a strong balance between simplicity and versatility. It is straightforward enough for newer divers while adding features such as Freediving mode, vibration alerts and rechargeable power that make it suitable for more regular use.

For divers who want more than the basic CR1 but do not yet need advanced features such as GPS, Multi-Gas or Trimix, the CR4 is a practical step up within the CREST range.

Compare CREST Dive Computers

Compare the CR1, CR4, CR-5L and CR-F to find the model that best matches your diving style, experience and future plans.

Explore our full dive computer collection to compare different models.