10 Best Dive Computers 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 409 products, scanning 635 reviews, spending more than 36 hours of research and speaking with our test users, we think the Shearwater Research Peregrine Dive Computer is the one of the Best Dive Computers on the market.

Shearwater Research Peregrine Dive Computer – Best Overall Dive Computer

Shearwater Research Peregrine Dive Computer
  • Multiple Diving Modes - Air, Nitrox, 3 Gas Nitrox, Gauge
  • 2.2" LED LCD display with vivid, enhanced colour range and saturation
  • Uses Bühlmann ZHL-16C with gradient factors. Shearwater dive computers never lockout for dive plan deviations.
  • Two-button interface: simple to navigate, state-aware menu structure. 316 stainless steel buttons.
  • Wireless Charging: battery life per charge is up to about 30 hours on medium brightness level. USB wireless charging station is included.

Cressi Leonardo – Best Budget Dive Computer

Cressi Leonardo
  • A single button Dive Computer makes it effortless to set Air, Nitrox and Gauge modes. Ideal for beginners in Scuba Diving. It is easy to use and 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 since 1946.

Oceanic GEO 2.0 Computer

Oceanic GEO 2.0 Computer
  • Powered by Oceanic's Exclusive Dual Algorithm - Your choice between Pelagic DSAT (Spencer/Powell data basis) or Pelagic Z+ (Buhlmann ZHL-16C data basis)
  • 4 Operating Modes: WATCH (Alternate Time, Chrono, Daily Alarm, Countdown Timer), NORM (Air and Nitrox), GAUGE (with run timer) and FREE (tracks calculations to allow switching between NORM and Free)
  • User-Friendly Interface with "Step Back" – allows forward and backward navigation through menus and settings - Switch between up to 2 Nitrox mixes to 100% O2 with no restriction (Gas 1 may be up to 100%, and may be less or greater than Gas 2)
  • Stop times 3 minutes - displays minutes & seconds - Deep Stop with Countdown Timer – Maybe turned on or off. 2 minute countdown at half your max depth, for dives greater than 80 ft / 25m
  • Single button access to "Last Dive" display (max depth & bottom time) - Data Retention - maintains calculations indefinitely when the battery is changed - Audible Alarm with flashing LED light - History Mode includes total number of dives, max depth, total dive hours, and lowest temp

SHEARWATER RESEARCH Teric Wrist Dive Computer (Blue) – Premium Pick

SHEARWATER RESEARCH Teric Wrist Dive Computer (Blue)
  • OC Rec (Nitrox to 99%), OC Tec (Trimix Enabled)
  • CC/BO (Fixed PPO2), Gauge and Freediving Mode
  • Optional wireless air integration up to 2 tanks. Switchable audible & vibration motor alerts
  • Upgradeable Firmware. 316 Stainless Bezel & Buttons, Sapphire crystal
  • Bluetooth & wireless charging. Standard 22mm strap size (Extender Included)

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

Cressi Giotto Wrist Computer

Cressi Giotto Wrist Computer
  • The 3 buttons dive computer provides all the necessary information in regards to depth, dive times, possible need of decompression, ascent rate and all the surface intervals between dives.
  • Dive program: full processing of dive data, including decompression if applicable, for every dive performed with air or nitrox.
  • Full setting of FO2 parameters (oxygen percentage) and PO2 (oxygen partial pressure) with the option to set PO2 between 1.2 bar and 1.6 bar, and FO2 from 21% and 99%.
  • Log book (70 hr or 60 dives) complete with dive profile. Possible to download the data on the PC with the Cressi interface (not included). Deep stop can be turned on or off. Visual and auditory alarms. Built-in calendar and clock. Backlit display.
  • The Giotto computer is developed and manufactured in Italy by Cressi, a brand pioneer in scuba diving, snorkeling and swimming equipment since 1946.

Seac Partner

Seac Partner
  • Stopwatch and countdown function
  • Records your freediving session up to 99 dives
  • It works with a standard CR2032 battery and is 100 mt water resistant
  • Backlit display

Shearwater Research Perdix Dive Computer

Shearwater Research Perdix Dive Computer
  • High Resolution, easy-to-read display. 2.2" display with vivid, enhanced color range and saturation.
  • Thin, Low-profile Design. 30% smaller in volume than the Petrel
  • Two Button Interface. Simple to navigate, state-aware menu structure
  • User Replaceable AA Battery. With a double o-ring to ensure a great seal
  • User Customizable Display. Customize your display with information important to you

Mares Puck Pro Wrist Dive Computer

Mares Puck Pro Wrist Dive Computer
  • INTUITIVE - One-button functionality simplifies operation.
  • ACCESSIBLE - Large display and sleek design makes referrencing your guage easier than ever.
  • VERSATILE - Upgradable firmware and multigas capability keeps this gauge relavant no matter how much time has passed.
  • REAL WORLD APPLICATION - Residual nitrogen gauge and watch make this wrist top diving gauge versatile to use in sea or land.
  • DEPTH - 150M (492 ft)

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