10 Best Dive Computers 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Shearwater Research Peregrine Dive Computer – ⭐ Best Overall Dive Computer

16001 by Shearwater

  • Weight: 0.27 pounds
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

KS770050 by Cressi

  • Release date: 01/01/2016
  • Color: Black/grey
  • Weight: 0 pounds
  • Dimensions: 4 x 4 x 4 inches
  • Warranty: The item is covered by a 2-year limited warranty.
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.

Mares Puck Pro Wrist Dive Computer – 💲 Best Budget Dive Computer

414127 by Mares

  • Color: Red Pro
  • Weight: 0.44 pounds
  • Dimensions: 7 x 5 x 5 inches
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)

SHEARWATER RESEARCH Teric Wrist Dive Computer (Blue)

15024 by Shearwater

  • Color: Blue
  • Weight: 0.8 pounds
  • Dimensions: 5 x 4.5 x 3.3 inches
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)

Cressi Giotto Wrist Computer

KS740050 by Cressi

  • Release date: 09/21/2012
  • Color: Black/Gray
  • Weight: 0 pounds
  • Warranty: The product is covered by a 2-year limited warranty.
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.

Oceanic GEO 2.0 Scuba Dive Computer Wrist Watch W/O USB

04-8929-89 by Oceanic

  • Color: White
  • Weight: 0.55 pounds
  • Dimensions: 7 x 4 x 4 inches
Oceanic GEO 2.0 Scuba Dive Computer Wrist Watch W/O USB
  • 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

SUUNTO Zoop Novo Wrist Scuba Diving Computer

SS021643000 by Suunto

  • Color: Lime, Without USB
  • Weight: 0.5 pounds
  • Dimensions: 6 x 6 x 6 inches
SUUNTO Zoop Novo Wrist Scuba Diving Computer
  • Operating modes: air, nitrox, gauge and freedom modes
  • Programmable for 21% to 50% oxygen mixtures
  • Imperial or metric programmable, decompression stop data, audible alarms
  • Back Lite display, easy to read in low light & night conditions
  • Maximum depth display: 330' (100 meters)

Garmin Descent Mk2 – 👑 Premium Pick

010-02132-00 by Garmin

  • Release date: 10/21/2020
  • Color: Black
  • Weight: 0.9 pounds
  • Dimensions: 3.9 x 3.9 x 3.9 inches
  • Warranty: 1 year limited warranty
Garmin Descent Mk2
  • Advanced, watch-style dive computer with 1.4” color sunlight-readable display (36% larger than previous model) in an elegant yet rugged design
  • Six dive modes as well as multi-GNSS support and ABC sensors — including an underwater compass — know every part of your dive from entry to exit (GPS tracking does not work underwater)
  • Features enhanced wrist-based heart rate estimates and Pulse Ox (this is not a medical device) sensing of blood oxygen saturation to support advanced sleep monitoring and altitude acclimation at high elevations
  • Includes built-in support for multiple sports apps, advanced training features, contactless payment, music storage with premium streaming service support (subscription may be required), smart notifications for calls, texts and calendar alerts and more
  • Dive log lets you store and review data from up to 200 dives right on your wrist and share and review dives in the Garmin Dive app downloaded to your paired compatible smartphone
  • Battery life: up to 80 hours in dive mode, up to 16 days in smartwatch mode and up to 15 hours in GPS mode with music

Aqua Lung i200 Wrist Computer Teal

NS155112 by Aqua Lung

  • Color: Teal
  • Weight: 0.6 pounds
  • Dimensions: 5.3 x 5.3 x 4 inches
Aqua Lung i200 Wrist Computer Teal
  • 4 operating modes. Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow unrestricted switching between Dive and Free)
  • User-changeable standard battery and data retention. Uses globally available standard batteries found at supermarkets and drugstores. Maintains settings and calculations between battery changes
  • High visibility LED alarm light. For additional diving safety
  • Switch between up to 2 Nitrox mixes. Mixes up to 100% O2 with no restriction

Mares Smart Wrist Dive Computer for Scuba Diving and Spearfishing

414129-BKRD by Mares

  • Color: Black/Red
  • Weight: 0.22 pounds
  • Dimensions: 6 x 6 x 6 inches
Mares Smart Wrist Dive Computer for Scuba Diving and Spearfishing
  • Super Sharp and Clear Display
  • Perfect Ergonomics and User-friendliness and Gas switching
  • Mineral Glass Display
  • Segment Display
  • Software upgrade ability

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