Garmin Descent Mk3i Watch Style-Dive Computer (51mm, Carbon Gray with Black Silicone Band)

Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated Garmin Dive Computer and Smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience plus multisport training and smart features for your active life out of the water.

Air Integration

Pair with Garmin Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.

Subwave Sonar Networking

Exchange preset diver-to-diver messages (coming soon via required software update) up to 30 meters as well as monitor tank pressures and depth for up to 8 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.

Dive Readiness Tool

This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body to help gauge when you are best prepared to dive.

Diveview Maps

Color maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented.

Dive-Focused Design

With its bright 1.4-inch AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.

Built-In Led Flashlight

See and be seen with variable light intensities and strobe modes, in or out of the water.

Dive Log

Store and review data, track gear, take notes and share via the Garmin Dive smartphone app.

Long Battery Life

Stay in the water longer with up to 66 hours in dive mode plus up to 25 days in smartwatch mode.

Customizable Dive Modes

Add additional screens for each dive mode that features the fields you want to see.

Surface GPS

Track your entry and exit points on the surface with advanced satellite connectivity.

Garmin Dive App

Pair the app with your Descent dive computer to automatically sync and upload your dive logs.

Lume Mode

To aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions.

Dive Compass

Built-in ABC sensors, including an underwater compass, help navigate every part of your dive.

Reference Point

Use this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time.

Variometer

This tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback.

Big Numbers Mode

Get a simplified dive screen on your wrist, with larger text to see critical diving data.

Tide Data

Stay up to date on ocean conditions by pairing your Descent device with your compatible smartphone.

Inreach Device Compatible

Pair with inReach devices and the inReach dive case for satellite messaging off-grid.

Sports Apps

Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.

Surf Activity

Record the number of waves surfed, maximum speed reached, distance traveled and more.

Surfline Camera

Create a video of every wave you ride in front of a Surfline camera with Surfline Sessions technology. Use the Surfline widget to see tide, wave height, wind and surf rating for each of the five nearest surf spots.

Backcountry Ski and Snowboard

Get ascent and descent data along with metrics such as cadence, stride length and grade.

Vo2 Max

See your current fitness level, and track changes over time to set goals, evaluate progress and more.

Garmin Descent T2 Transceiver with Enhanced SubWave Sonar Technology and 20 ATM Dive Rating

Every breath, every tank, every buddy on your dive, track them all on your wrist when you pair the Garmin Descent T2 Transceiver with your compatible air-integrated Descent dive computer. Enhanced SubWave sonar technology lets you monitor up to 8 tanks when underwater viewing air pressure, depth, use rate, and time remaining for multiple types of diving. Plus, you can even communicate via preformatted messages (coming soon) with other networked buddies wearing their Descent Mk3i dive computers.

Deep Dive-Rated

Built to withstand the elements, the Descent T2 transceiver is dive-rated to 20 ATM (200 meters) - so you can dive deeper without worry.

Know Your Tank

Get tank pressure, air time remaining, air consumption rate and battery remaining all sent directly to your paired air-integrated Descent dive computer.

Link Multiple Divers

See your dive buddies' tank pressures and depths at a glance. Pair up to 8 transceivers on your group’s tanks with each compatible air-integrated dive computer within a range of up to 10 meters.

Diver Messaging

Exchange preformatted diver-to-diver messages (coming soon) with other Descent T2 transceiver-networked buddies wearing Descent Mk3i dive computers up to 30 meters away.

Easy Tank ID

A simplified pairing process using wireless area networking makes it easy to identify your buddies’ names with the Descent T2 tank transceivers they’re wearing.