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Garmin Descent™ Mk3i Wrist Dive Computer — 43mm Black Silicone Band



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The Garmin Descent™ Mk3i Wrist Dive Computer is a revolutionary device for divers and for active individuals. When divers link the Descent™ T2 transceivers (sold separately) to this air-integrated wrist dive computer, it can monitor tank pressures and depth of up to 8 divers within a 10-meter range. Coming soon, after a required update, you’ll be able to communicate underwater with preset messages to your fellow divers. Choose between multiple dive modes for single and multiple gas dives and reach an astonishing depth of 200 meters with this dive computer. With an impressive battery life and preloaded features added to enhance your diving experience, the Mk3i is designed for diverse underwater activities.
When it is time to surface, the dive computer transforms into a versatile smartwatch. Beyond its diving capabilities, this device offers health and fitness features, helping users plan and achieve wellness goals through daily suggestions and expert coaching—all conveniently accessible from their wrist. Pairing the watch with a smartphone unlocks additional perks, including music playback, contactless payments, and seamless phone notifications. The Garmin Descent™ Mk3i Wrist Dive Computer combines dive computer features and smartwatch capabilities into one rugged and stylish device.



Garmin Descent™ Mk3i Wrist Dive Computer Features: 

Dive Features:

  • SubWave™ - sonar-based communication and diver monitoring
  • Dive log - store and review up to 200 dives 
  • Long battery life - 30 hours in dive mode / 10 days in smartwatch mode 
  • Garmin Dive App - sync/upload dive logs 
  • Lume mode - green luminescence to aid readability in low-light conditions 
  • Dive compass - built-in ABC sensors, including underwater compass 
  • Surface GPS - track entry and exit points via satellite 
  • Reference point - surface navigation to dive site 
  • Variometer - monitor freedive descent and ascent 
  • Big Number Mode - larger text for diving data 
  • Tide data - stay up to date with ocean conditions
  • inReach® Device Compatible - pair for off-grid messaging 


Health and Fitness Features: 

  • Sports Apps -preloaded activity profiles 
  • Surf activity - record surf details 
  • Surfline® Camera - connect to Surfline Sessions technology to record surfs 
  • Backcountry ski and snowboard - receive details and metrics 
  • VO2 Max - track your running 
  • Recovery time - know how long you need to rest 
  • Daily suggested workouts - view the entire week of daily suggested workouts 
  • Animated workouts - follow animated workouts on the watch screen 
  • Wrist-bases heart rate - constantly samples your heart rate 
  • Pulse OX sensor - track your blood oxygen saturation 
  • Jet Lag Adviser - helps minimize the effects of jet lag 
  • Endurance Score - uses VO2 max and other factors to show physical efforts 
  • Hill score - measures your strength and endurance for running uphill 
  • Garmin Coach - training plan to reach goal with expert coaching 
  • Sleep monitoring and sleep score - understand and improve sleep 
  • Women’s health tracking - log menstrual cycle or pregnancy 


Navigation and Orientation Features:

  • Satiq™ technology - superior positioning accuracy with multi-band GPS
  • Multicontinent Topo Maps - preloaded TopoActive maps keep explorations on track 
  • Skiview maps - more than 2,000 preloaded ski resorts worldwide for details 
  • ABC sensors - altimeter, barometer, and 3-axis electronic compass 
  • Pacepro™ technology - GPS-based pace guidance for planning race-day strategy 
  • Courses with turn-by-turn directions - create or find or sync courses 
  • Round-trip routing - get suggested routes by entering a desired distance 


Connected Lifestyle Features: 

  • Safety and tracking features - send a message with your live location 
  • Music - download songs and playlists 
  • Garmin Pay™ Contactless Payments - breeze through checkout lines 
  • Smart notifications - receive emails, texts, and alerts when paired with a smartphone 
  • Connect IQ™ Store - add watch faces, data fields, and apps 


Garmin Descent™ Mk3i Wrist Dive Computer Documentation:

WARNING: Cancer and Reproductive Harm --

More Info

  • Product Sku: DD163857
  • Display Type: AMOLED
  • Depth Rating (meters): 200
  • Lens Material: Sapphire Crystal
  • Bezel Material: Carbon (DLC) coated Titanium
  • Strap Material: Silicone
  • Memory: 32GB
  • Nitrox: Up to 100%
  • Trimix: Up to 100%
  • Rechargeable Battery: Yes
  • Air Integrated: Yes
  • Touchscreen: Yes

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