10 Best Dive Computers 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 743 products, scanning 1110 reviews, spending more than 36 hours of research and speaking with our test users, we think the Cressi Leonardo is the one of the Best Dive Computers on the market.

Cressi Leonardo – Best Overall Dive Computer

Cressi Leonardo
  • A single button Dive Computer makes effortless to set Air, Nitrox and Gauge modes. Ideal for beginners in Scuba Diving. It is easy to use, easy to read all the information due to the high-definition screen that gives large numerical displays.
  • FO2 adjustable between 21% and 50%. PO2 adjustable between 1.2 bar and 1.6 bar. CNS oxygen toxicity graphic indicator.
  • Three levels of user adjustable conservatism. Visual and distinct, easy-to-hear audible alarms.
  • User-selectable deep stop function. Adjustable unit of measure: imperial or metric.
  • Battery life indicator. User changeable battery. Battery model: CR2430.
  • The interface (not included) uses IR to connect to the diving computer and a USB cable for PC connection. Software compatible with all versions of Windows and with Mac.
  • The Leonardo dive computer is made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling and Freediving equipment.

Mares Puck Pro Wrist Dive Computer – Best Budget Dive Computer

Mares Puck Pro Wrist Dive Computer
  • Dive Log: 36 hours/50 dives
  • Nitrox Programmable (21-50%)
  • Ascent rate indicator
  • Full Function Air/Nitrox Dive Computer
  • Diver-replaceable batteries

Shearwater Research Teric Wrist Dive Computer with Transmitter – Premium Pick

Shearwater Research Teric Wrist Dive Computer with Transmitter
  • Nitrox Trimix decompression dive computer in wrist-watch form factor
  • Bühlmann ZHL-16c algorithm with configurable Gradient Factors
  • Supports optional wireless tank pressure transmitters
  • Switchable audible and vibration alerts
  • Supports Open-Circuit, Fixed PO2, Gauge, and Freediving Modes

Oceanic Geo 2.0 Wrist Computer – Best under $500

Oceanic Geo 2.0 Wrist Computer
  • 2 nitrox mixes to 100% oxygen, deep stop with countdown timer, intuitive user interface with step back, time, date & temperature
  • Audible alarms with user acknowledgment, gauge mode with run-timer, history mode and 24 dive/99 free dives on-unit log book
  • Last dive display: max depth and dive time, diver-replaceable battery with data retention, user upgradeable firmware
  • Power: CR2430 Lithium battery, operational depth: 330' (100 meters) - altitude adjustable: 3, 001' to 14, 000' (916 to 4, 200 meters)
  • Dual time display and daily alarms, backlight for night or low light conditions, 4 operating modes: watch, norm, free dive and gauge

Mares Nemo Wide Dive Computer Wrist Watch

Mares Nemo Wide Dive Computer Wrist Watch
  • New nitrox function: three-different gas mixtures during single dive
  • Wide, high-contrast display with a 170 degree Viewing angle, data displayed in large-size characters
  • 4 buttons easy access simple to use, upgradeable software, hypoallergenic rubber strap, algorithm: mares-wince rgbm
  • Deep stops and safety stop functions, back lighting, user replaceable batteries, mineral glass lens, altitude adjustable, log book function
  • Air, nitrox and bt function modes, precautionary programmable, 492' depth Rating, power indicators, audible alarms, calendar and temperature displays

Aqua Lung I100 Wrist Dive Computer Black – Best under $200

Aqua Lung I100 Wrist Dive Computer Black
  • Customize Now Aqua Lung i100 Available ADD ONs: Download Cable, Wrist Compass, Extra Battery
  • 4 Dive Modes Air, Nitrox (2 Gasses up to 100% O2), Gauge, Free Dive
  • User Changeable Battery (you wont lose your data during the battery change of you i100 Dive Computer)
  • Super intuitive one button scuba computer software navigation
  • In the BOX: Dive Computer Quick Reference Card, Lens Protector, Battery Compartment Opening Tool

Shearwater Research Perdix-AI Dive Computer

Shearwater Research Perdix-AI Dive Computer
  • Wireless Tank Pressure Integration - Transmitter not included
  • 5 open-circuit gas switch presets
  • Bühlmann ZHL-16C with Gradient Factors
  • Easy to read large full color screen
  • Logbook of last 1000 hours of diving

Dive Computer QUAD Air Scuba Diving Computer

Dive Computer QUAD Air Scuba Diving Computer
  • Hoseless tank data integration for up to three transmitters (Transmitter not Included)
  • Magnificently clear display with jumbo size information
  • Three-row layout comprises all relevant data including tank pressure
  • Two customizable fields for ancillary information
  • Four buttons for intuitive user interface

Aqua Lung I300c Wrist Dive Computer with Bluetooth Black/Blue

Aqua Lung I300c Wrist Dive Computer with Bluetooth Black/Blue
  • Wirelessly interact with your i300C via the latest Bluetooth Smart technology using your mobile device, the free DiverLog+ app (available for iOS and Android)
  • 4 operating modes. Air, Nitrox, Gauge (with run timer) and Free Dive (tracks calculations to allow switching between DIVE and Free)
  • User-changeable battery and data retention. Maintains settings and calculations between battery changes
  • 3 Gas computer. Able to switch up to three gases underwater
  • Backlighting. For easy reading in low light

Mares Puck Pro Plus Wrist Dive Computer

Mares Puck Pro Plus Wrist Dive Computer
  • Slim design for a perfect fit
  • Intuitive user interface with one-button simplicity
  • Logbook capacity 35 hours of dive profile at 5-second sampling rate
  • Bottom timer mode with resettable average depth and stopwatch
  • Upgradeable firmware. User-replaceable battery

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