In the Box

Carbon Gray DLC Titanium with Black Band

Descent Mk3i – 43 mm, carbon gray DLC titanium with black silicone band
Black extra-long adjustment strap
USB-C clip charging/data cable
Documentation

Bronze PVD Titanium with French Gray Band

Descent Mk3i – 43 mm, bronze PVD titanium with French gray silicone band
French gray extra-long adjustment strap
USB-C clip charging/data cable
Documentation

Descent Mk3i – 43 mm Bundle

Descent Mk3i – 43 mm, bronze PVD titanium with French gray silicone band
Descent T2 transmitter
French gray extra-long adjustment strap
USB-C clip charging/data cable
Air spool
Documentation

Physical & Performance

Display Size	1.2” (30.4 mm) diameter
Battery life	Smartwatch: Up to 10 days (4 days always-on) Battery Saver Watch Mode: Up to 12 days GPS Only: Up to 28 hours (22 hours always-on ) All Satellite Systems: Up to 20 hours (16 hours always-on) All Satellite Systems + Multi-band: Up to 17 hours (14 hours always-on) All Satellite Systems + Music: Up to 6 hours Max Battery GPS: Up to 44 hours Expedition GPS: Up to 10 days Dive Mode: Up to 30 hours Dive Mode with Air Integration: Up to 15 hours
Display resolution	390 x 390 pixels
GPS	Yes
Weight	no band: 49.3 g silicone band: 68.3 g

Maps & Navigation

Memory/History

32 GB

DISCOVER A DEEPER CONNECTION

Featuring SubWave^™ sonar-based communication and diver monitoring, this advanced, air-integrated¹ 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.

SUBWAVE SONAR-BASED DIVER MESSAGING (COMING SOON VIA REQUIRED SOFTWARE UPDATE)

UP TO 30 HOURS OF BATTERY LIFE IN DIVE MODE

CHOOSE FROM MULTIPLE DIVE MODES

DIVEVIEW^™ COLOR MAPS WITH DEPTH CONTOURS AND DIVE SITES

USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION

DEEPEN YOUR CONFIDENCE WITH A 200-METER DIVE RATING

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 (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 meters¹.

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

DIVE FEATURES

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 30 hours in dive mode plus up to 10 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 devices² and the inReach dive case for satellite messaging off-grid.

HEALTH AND FITNESS FEATURES

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 spots³.

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.

RECOVERY TIME

Know how long you need to recover before your next high-effort workout based on your latest training.

DAILY SUGGESTED WORKOUTS

View your entire week of daily suggested workouts, which adapt after every run or ride.

ANIMATED WORKOUTS

Follow animated workouts for cardio, strength, yoga and Pilates workouts on the watch screen.

WRIST-BASED HEART RATE

The watch constantly samples your heart rate⁴ to help you gauge how hard you work during activities.

PULSE OX SENSOR

Track your blood oxygen saturation while you’re awake or asleep, and gain awareness of how you’re adapting to altitude⁵.

JET LAG ADVISER

Help to minimize the effects of jet lag with guidance on light exposure, sleep schedule and exercise.

ENDURANCE SCORE

This measurement uses your VO2 max, training loads and other factors to show how training affects your ability to sustain prolonged physical efforts.

HILL SCORE

Based on your VO2 max and training history, this feature measures your strength and endurance for running uphill.

GARMIN COACH

Train for physical challenges with expert coaching and a dynamic training plan keyed to your goals and performance.

SLEEP MONITORING AND SLEEP SCORE

Understand your body’s recovery with sleep score, breakdown of your sleep stages and detailed insights for improved sleep quality⁴.

WOMEN’S HEALTH TRACKING

Track and log your menstrual cycle or pregnancy to get exercise and nutrition education.

NAVIGATION AND ORIENTATION FEATURES

SATIQ^™ TECHNOLOGY

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

MULTICONTINENT TOPO MAPS

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

SKIVIEW^™ 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.

CONNECTED LIFESTYLE FEATURES

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 location⁶.

MUSIC

Download songs and playlists from your Spotify, Deezer or Amazon Music accounts for phone-free listening.

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.