Explore both of your worlds — underwater and topside — with the Descent Mk2 series of watch-sized dive computers. They feature multiple dive modes, such as single and multiple gas dives, gauge, apnea, apnea hunt, and closed-circuit rebreather. The Descent Mk2 series comes with ABC sensors with an underwater 3-axis compass as well as surface GPS capabilities to mark your entry and exit points. On land, the Descent Mk2 series doubles as a premium multisport GPS smartwatch with multi-GNSS support, multiple sports apps, wrist-based heart rate monitoring, Pulse Ox sensor, advanced training features, Garmin Pay™ payment service, music storage, smart notifications for calls, texts and calendar alerts and more.

The advanced, watch-style dive computer with a rugged yet sophisticated design that features a large sunlight-readable 1.4” color display.

The Descent Mk2i dive computer adds SubWave™ sonar technology for integrated tank pressure monitoring on up to 5 tanks when paired with the Descent™ T1 transmitter (sold separately), making it ideal for instructors or group dives.

About this product

AIR INTEGRATION: Pair with a Descent T1 transmitter for integrated pressure monitoring on up to 5 tanks via SubWave sonar data network.
SUBWAVE SONAR: Transmit data — such as remaining air time, air consumption rate, and more — for you and other divers within a range of 10 meters.
DIVE MODES: Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt, and closed-circuit rebreather.
CUSTOMIZABLE DIVE MODES: Add additional screens for each dive mode that features the fields you want to see.
SURFACE MULTI-GNSS: Track your entry and exit1 points with advanced satellite connectivity.
DIVE LOG: Store and review data for up to 200 dives — and share via the Garmin Dive app.
INREACH COMPATIBLE: Pair with inReach satellite communicators and the inReach dive case.
PERFORMANCE METRICS: View advanced training metrics that include running dynamics, heat- and altitude-adjusted VO2 max, recovery advisor and more.
PACEPRO TECHNOLOGY: A first-of-its-kind feature helps keep you on pace with grade-adjusted guidance as you run a course.
SPORTS APPS: Use preloaded activity profiles for trail and track running, swimming, running, biking, hiking, rowing, skiing, golfing, surfing, indoor climbing, and more.
SURF-READY FEATURES: Get ready to catch some waves. Descent Mk2 works with Surfline Sessions, which creates a video of every wave you ride in front of a Surfline camera, so you can watch them later and see how you did.
TOPO AND SKI MAPS: Use topographical maps to navigate your adventures and view run names and difficulty ratings for 2,000 worldwide ski resorts.
ABC SURFACE SENSORS: Navigate your next trail with ABC sensors, including an altimeter for elevation data, a barometer to monitor the weather, and 3-axis compass.
TACTICAL CAPABILITY: Get tactical features such as Jumpmaster mode and dual-format GPS to help you navigate and provide unparalleled situational awareness. Keep it covert with stealth mode and a kill switch.
WRIST-BASED HEART RATE: Optical heart rate technology gauges activity intensity as well as heart rate variability to calculate your stress level. It also tracks underwater without a heart rate strap.
PULSE OX SENSOR: For altitude acclimation or sleep monitoring, a Pulse Ox sensor uses light beams at your wrist to gauge how well your body absorbs oxygen.
ALL-DAY RESPIRATION: Track how you’re breathing throughout the day, during sleep, and during breathwork and activities such as yoga.
ADVANCED SLEEP MONITORING: Get a full breakdown of your light, deep and REM sleep stages as well as Pulse Ox and respiration data. View it all on a dedicated widget that includes your sleep score and other insights.
RECOVERY TIME: After each workout, recovery time lets you know when you’ll be ready for another hard workout. It even accounts for training intensity and factors such as stress, daily activity, and sleep.
DAILY WORKOUT SUGGESTIONS: For a training guide that takes you and your fitness level into account, get daily run and ride recommendations based on your current training load and training status.
TURN-BY-TURN NAVIGATION: Follow a route or course with help from turn-by-turn directions, which let you know ahead of time when the next turn is coming.
ROUND-TRIP ROUTING: Enter a distance you want to travel, and get suggested routes that will bring you back to your starting point. Trendline popularity routing helps you find the best local paths.
SAFETY AND TRACKING FEATURES: If you feel unsafe or if your watch senses an incident, assistance and incident detection features4 send your location to emergency services. Feature not available while in dive mode.
MUSIC: Store up to 2,000 songs, or access streaming music apps from your compatible services5, including Spotify, Deezer, and Amazon Music.
GARMIN PAY CONTACTLESS PAYMENTS: Breeze through checkout lines with Garmin Pay contactless payment solution through participating providers.

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