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Description
CREST CR-4 Dive Computer
A Great Choice for Beginner and Recreational Divers
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.
Product Details
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
Operating Depth Limit | 100 meters / 330 feet |
Muitiple Modes | Scuba, Gauge, Apnea Mode |
Air and Nitrox | Oxygen 21%~56% |
Algorithm | Buehlmann 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 |
Bazel and Button | 316 stainless steel |
Lens | K1 tempered glass ( 3.9cm / 1.5” ) |
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) |
Who It’s For
The CREST CR-4 Dive Computer is a great choice for beginner divers, recreational divers, dive students, and freedivers who want a simple rechargeable dive computer with useful everyday features.
It is especially suitable for divers who want an easy-to-use computer with Nitrox support, clear alarms, free app connection, and a compact wrist-style design.
What’s Included
- CREST CR-4 Dive Computer with medical-grade silicone wrist strap
- Dedicated USB charging cable with charging clip
- Warranty card
Learn More
- Explore our full dive computer collection to compare different models.
- Learn more about CREST diving products for recreational and freediving use
Daniel (Verified Owner) –
Very happy with the service, quick delivery with tracking. The dive computer Crest CR4 feels high quality with many features for the price, connects to phone easy. Excited to try it out for scuba and free diving soon. One question… how do I register the warranty?
Online Sales (store manager) –
Hi Daniel,
Thanks for your review! I have sent you an email regarding the warranty. I will share what I wrote in the email publicly to help you and any others in future who may see this.
Your product is automatically under warranty – we verify the warranty via the serial number which is noted on the box and your receipt.
Please keep your original paper receipt safe for proof of purchase. We do keep digital records so if you loose your paper receipt we can verify the purchase with the product serial number.
You are welcome to email me directly with any questions you might have now or in future.
Thanks,
Joe – [email protected]