Garmin Descent™ Mk3i Wrist Dive Computer — 51mm Titanium Band

The Garmin Descent™ Mk3i is a premium wrist dive computer designed for scuba divers and active lifestyles. It combines advanced dive technology with the everyday convenience of a smartwatch. When paired with Descent™ T2 transceivers, it monitors tank pressure and depth for up to 8 divers within a 10-meter range. Communicate with others divers while underwater using preset messages thanks to SubWave™ technology.

Built for adventure, the Mk3i features multiple dive modes, a 200-meter depth rating, and up to 66 hours of battery life in dive mode. Essential dive tools include a built-in LED flashlight, DiveView™ maps, dive log storage for 200 dives, SubWave™ sonar communication, GPS surface tracking, and an underwater compass. The lightweight titanium band adds strength, corrosion resistance, and style.

On land, the Mk3i works as a full-featured Garmin smartwatch. Stay on top of your health and training with heart rate, VO2 max, sleep tracking, recovery insights, and preloaded sports apps. Navigate confidently with multi-band GPS, topo maps, SkiView™ maps, and turn-by-turn directions. Plus, enjoy lifestyle features like Garmin Pay™, music storage, smart notifications, and safety tracking, all in one powerful device.

Dive Features:

• LED Flashlight - built-in light with various modes 
• SubWave™ - sonar-based communication and diver monitoring
• Dive log - store and review up to 200 dives 
• Long battery life - 66 hours in dive mode / 25 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 freediver 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 

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:

• Garmin Descent™ Mk3 Series Owner's Manual