Track your breath and depth with Descent™ Mk2i, the watch-sized dive computer. It features SubWave™ sonar technology for integrated tank pressure monitoring on up to 5 tanks when paired with the Descent™ T1 transmitter1, making it ideal for instructors or group dives. Descent Mk2i comes with ABC sensors with an underwater 3-axis compass as well as surface GPS capabilities to mark your entry and exit points2. On land, Descent Mk2i doubles as a premium multisport GPS smartwatch with multi-GNSS support, multiple sports apps, wrist-based heart rate monitoring3, Pulse Ox4 sensor, advanced training features, Garmin Pay™ payment service5, music storage, smart notifications6 for calls, texts and calendar alerts and more.
 
 
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Advanced, watch-style dive computer with 1.4” color sunlight-readable display (36% larger than previous model) in an elegant yet rugged design
With 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 exit2
Pair with the Descent™ T1 transmitter for integrated pressure monitoring on up to 5 tanks via the SubWave™ sonar data network, and see remaining air time, air consumption rate and more for you and other divers within a range 10 meters1
Features enhanced wrist-based heart rate3 and Pulse Ox4 sensing of blood oxygen saturation to support advanced sleep monitoring and altitude acclimation at high elevations
Includes built-in support for multiple sports apps, activity tracking3, advanced training features, Garmin Pay™ payment service5, music storage with premium streaming service support, smart notifications6 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 compatible smartphone6
Battery life: up to 80 hours in dive mode, 16 days in smartwatch mode and 15 hours in GPS mode with music 
 
 
1 Additional equipment (sold separately) and device pairing required.
2GPS tracking does not work underwater
3See Garmin.com/ataccuracy
4This is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox not available in all countries.
5View current supported country, payment network and issuing bank information at Garmin.com/GarminPay/banks
6See Garmin.com/ble