Garmin Descent Mk3i 51mm - Carbon Grey DLC Titanium with Black Silicone Band

Discover A Deeper Connection

Featuring Subwave™ sonar-based communication and diver monitoring, this advanced, air-integrated¹ dive computer and smartwatch come 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.

Key Features

• Subwave sonar-based diver messaging
• Up to 66 hours of battery life in dive mode
• Choose from multiple dive modes
• Diveview™ colour maps with depth contours and dive sites
• Use the dive readiness tool to inform your preparation
• Built-in led flashlight works above or below water 

Air Integration

Pair with our 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 up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres.

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.

Dive Modes

Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.

Diveview Maps

Colour 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″ Amoled color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.

A Standard Above for Your World Below

Dive Features

Dive Log

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

Built-In Led Flashlight

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

Long Battery Life

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

Customisable Dive Modes

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

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.

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.

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.

NDL Aware™ Depth Metrics

Extend your bottom time with NDL aware depth metrics that work in real time to show how specific depth changes can impact your no-decompression limit (NDL).

Post-Dive Activity Guidance

Physical fitness is important for divers, but exercising shortly after a dive can increase the risk of decompression sickness. Post-dive activity guidance alerts you when it may be a good idea to postpone your training due to a recent dive.

Safety and Tracking Features

If you feel unsafe or if your watch senses that an incident occurred, your watch will send a message with your live location.

Music

Download songs and playlists from your Spotify, Deezer or YouTube® music accounts for phone-free listening (subscription may be required).

Garmin Pay™ Contactless Payments

Breeze through checkout lines or transit systems with participating providers.

Smart Notifications

Receive emails, texts and alerts on your watch when paired with your iPhone® or android™ smartphone.

Connect IQ Store

Add watch faces, data fields and apps to your paired smartwatch.

Satiq™ Technology

Get superior positioning accuracy with multi-band GPS while optimising battery life.

Multicontinental Topo Maps

Preloaded TopoActive maps from around the world keep your explorations on track.

Ski View™ Maps

View run names and difficulty ratings for more than 2,000 preloaded ski resorts worldwide.

ABC Sensors

Navigate your next trail with an altimeter, barometer and 3-axis electronic compass.

PacePro™ Technology

Plan race-day strategy with GPS-based pace guidance for a selected course or distance.

Courses with Turn-By-Turn Directions

Create or find existing courses in the Garmin connect™ app, or sync from your favorite third-party platforms, and get turn-by-turn directions.

Round-Trip Routing

Enter how far you want to go and get suggested routes that will bring you back - even use trendline™ routing to find the best local paths.

Descent Mk3i – 51 mm, Carbon grey DLC titanium with black silicone band
Black extra-long adjustment strap
USB-C Clip Charging/Data Cable
Documentation