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Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, air-integrated 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 66 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 BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER

Key Features

 


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 exit1 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

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

VARIOMETER

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

 

STR3AMUP! PC tool for streaming biometrics No
Wheelchair mode No
3-axis compass with HSI (horizontal situation indicator) No
Touch and/or button lock Yes
Preloaded ski resort maps Yes
Wind speed and direction (requires connection to Garmin Golf app) Yes
Live Event Sharing Yes
Sleep yes (advanced)
Green Contours (with Garmin Golf membership) Yes
Battery saver (customizable low power watch) Yes
Swing Tempo No
Plays and controls watch music Yes
APNEA mode Yes
Gas mixes

Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.

Load ratio Yes
Ground contact time and balance Yes
Density altitude calculator No
Critical swim speed Yes
Training load focus Yes
Compatible with Varia Vision™ (head-mounted display) Yes
HR alerts Yes
Training effect (anaerobic) Yes
Abnormal heart rate alerts yes (high and low)
Easy break planning No
Vertical speed Yes
Lactate threshold yes (with compatible accessory)
View images from notifications on watch (Android™ only) Yes
Workout tutorials No
Number of transmitters supported 8
MTB Grit & Flow Yes
Customizable data pages Yes
Configurable lap alerts Yes
Incident Detection during select activities Yes
Physio TrueUp Yes
Custom alerts Yes
NEXRAD on moving map No
Back to start Yes
Available Boating Profiles Boating, Sailing, Sail Racing
Vertical oscillation and ratio Yes
Altimeter with adjustable baro setting No
Alerts & alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, tank pressure, gas consumption rate. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time
Physical size

51 x 51 x 16.4 mm

Fits wrists with the following circumference:
Silicone band: 135-230 mm
Extra long silicone band: 135-355 mm
Titanium bracelet: 135-220 mm

Move alerts (displays on device after a period of inactivity) Yes
Live Delta Time No
PO2 Up to 2.0 with customizable deco PO2 setting
Automatic altitude adjustment Yes
Bezel Material

Diamond-like Carbon (DLC) coated titanium

Hazards and course targets Yes
Truck driver workouts No
TruSwing™ compatible No
UltraTrac mode Yes
VO2 Max (Trail Run) Yes
Up Ahead Yes
Preloaded race tracks No
Pulse Ox Blood Oxygen Saturation Monitor Yes
Relaxation breathing timer Yes
% HR max Yes
In Case of Emergency (I.C.E.) No
Gas time remaining Yes
Case material fiber-reinforced polymer with titanium rear cover
Team sports Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
Subwave™ Support Yes
Audible alerts No
Color display Yes
Multiple bike profiles No
Rest timer Yes
Wrist-based heart rate (constant, every second) Yes
Find My Phone Yes
PrePass weigh station notifications and bypass decisions No
Stride length (real time) Yes
Bike lap and lap maximum power (with power sensor) Yes
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) Yes
Training effect Yes
Outdoor running

Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing

Spectator messaging No
Customizable conservatism yes (low/medium/high or custom using gradient factors)
Advanced workouts Yes
Charging method Garmin proprietary clip charger
Dive planner yes (basic NDL + multi-gas deco planner)
Trendline™ Popularity Routing Yes
Strava Live Segments Yes
Boundary enter/exit No
Safety Stop yes (customizable off/3min/5min)
Training readiness Yes
Timer Yes
Missed Deco Lockout yes (can be disabled prior to dive with user acknowledgement)
Courses Yes
Respiration rate (during exercise) yes (with compatible accessory)
Wirelessly receive flight plans from Garmin Pilot™ No
Nap detection  Yes
Intensity minutes Yes
Interval training Yes
MOS & Meteogram No
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) Yes
Pairs with Garmin Connect™ Mobile Yes
Breathwork Yes
Virtual starting line Yes
Sun and moon information Yes
Automatically saves dive entry and exit locations Yes
Power guide Yes
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) yes (with compatible accessory)
Sight 'N Go Yes
Location tracking No
Pulse Ox blood oxygen saturation Yes
Projected waypoint Yes
Hill score Yes
Bread crumb trail in real time Yes
Sleep tracking No
Built-in mapping Yes
Customizable activity profiles Yes
Auto start/end dive Yes
Reference point Yes
SatIQ™ Technology Yes
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) Yes
Cadence (provides real-time number of steps per minute) Yes
Controls smartphone music Yes
Power meter compatible Yes
Snow & winter Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing
LED flashlight Yes
APNEA hunt mode Yes
60-minute activity goal No
Manual multisport activities Yes
Chores No
Moving Map with aviation airports, navaids, roads, bodies of water and more No
Point-to-point navigation Yes
Anchor Alarm Yes
Gauge mode Yes
PacePro™ Pacing Strategies Yes
Course- and weather-specific race predictor Yes
Yardage to layups/doglegs Yes
TAF (Terminal Aerodrome Forecast) No
Other activity profiles

Jumpmaster, Tactical, Inline Skating

Auto Pause® Yes
Backlight yes (configurable time and intensity; auto-on at depth)
Running dynamics Yes
Battery life (smartwatch mode) Up to 25 days (10 days always-on)
Gaming Activity Yes
Full vector map Yes
Body Battery™ energy monitor Yes
BLUETOOTH phone calling and voice assistant support No
Accelerometer Yes
Recovery time Yes
On the Water

Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater

Custom dive data screens Yes
GameOn™ app compatible Yes
Drill logging (pool swim only) Yes
Preloaded with 43,000 courses worldwide Yes
Track timer No
Multisport Swimming/Running, Triathlon
Strap material

silicone or DLC coated titanium

Jet lag adviser Yes
Wearable trolling motor remote Yes
Race App No
Round timer/odometer Yes
Smart trainer control Yes
Heat and altitude acclimation Yes
Make calls and send texts via voice No
Cardio workouts Yes
Connected GPS No
Performance condition Yes
Galileo Yes
Distance traveled Yes
Manual lap Yes
GPS-based distance, time and pace Yes
Text messaging No
Realtime stamina Yes
Surface diver status widget yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)
Running power Yes
Nitrox support Yes
Assistance Yes
Race predictor Yes
Stealth Mode Yes
Pairs with Garmin Golf app Yes
Auto lap splits No
"Repeat on" rest timer (pool swim only) Yes
Pilates workouts Yes
GPS coordinates Yes
Lap Time Repeatability Score (LTR) No
Air integration yes (via Subwave™)
Audio prompts Yes
Auto CourseView updates Yes
Downloadable training plans Yes
Stocks Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course) automatic
Run/Walk/Stand detection Yes
Closed Circuit Rebreather (CCR) Yes
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)
Compatible with Varia™ radar (rear-facing radar) Yes
Task timers (2, 5, 10, 15, 20 and 30 minutes) No
Pool swim workouts Yes
Assistance Plus No
Multi-gas mode Yes
Music storage Yes
Race an Activity Yes
Kill switch Yes
Hot keys Yes
Single-gas mode Yes
Activity history on watch Yes
On-screen workout animations Yes
Meditation No
Auto max HR Yes
Residual Tissue Loading Reset yes (on the surface with user acknowledgement)
Daily suggested workouts yes (improved)
Solar Charging No
Foot pod capable Yes
Compatible with Vector™ and Rally™ (power meters) Yes
Phone-free text messaging No
Tournament legal Yes
Display type AMOLED
Incident detection alert on phone for wearables Yes
Race an activity Yes
Finish time Yes
Elevation profile Yes
PlaysLike distance Yes
Aviation Alerts No
Virtual Partner Yes
VO2 Max (Run) Yes
Relaxation reminders No
Reminder alerts No
Wind meter compatible No
Racket sports Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Race glance/widget Yes
Training load Yes
Endurance score Yes
Touchscreen Yes
Chronograph No
Gym Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
Motor sports Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling
Ambient light sensor Yes
Touch-targeting (touch target on display to see the distance to any point) Yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) Yes
Garmin ECG App No
In-flight Pulse Ox No
Yardage to F/M/B (distance to front, middle and back of green) Yes
Calendar Yes
Barometric altimeter Yes
Unlock new step icons No
On-device Connect IQ™ Store Yes
Weather forecasts Yes
Auto Lap® Yes
Sunrise/sunset times Yes
Tide glance Yes
Pacing alerts (pool swim only) Yes
Floors climbed Yes
Dive activity maximum operating depth 200 meters
Respiration rate (24x7) Yes
Gas consumption rate Yes
Workouts for wheelchair users  No
% HRR Yes
Ballistics solver yes (unlock required)
On-screen workout muscle maps Yes
Auto rest Yes
Basic rest timer (up from 0) (pool swim only) Yes
Outdoor recreation

Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery

TracBack® Yes
Weight shift alert  No
Advanced cycling dynamics Yes
Handicap scoring Yes
Autopilot Control yes
Primary benefit (Training Effect labels) Yes
Multi-band GPS Yes
HR zones Yes
Auto rest (pool swim only) Yes
Stat tracking (strokes, putts per round, greens and fairways hit) Yes
Connectivity BLUETOOTH®, ANT+®, Wi-Fi®, Subwave™
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) Yes
Sleep score and insights Yes
Custom targets Yes
Downloadable cartography support Yes
Available run profiles

Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running

Run workouts Yes
Stopwatch Yes
Worldwide airport database(s) No
Waypoint information page No
Indoor running Treadmill Running, Indoor Track Running, Virtual Running
GPS speed and distance Yes
Round-trip course creator (running/cycling) Yes
Leakproof inductive buttons Yes
Area calculation yes (via Connect IQ™)
Find My Watch Yes
Automatic club tracking compatible (requires accessory) Yes
Connext avionics connectivity No
Preloaded road and trail maps Yes
Built-in speaker/microphone No
Rest Timer (Ultra Run only) Yes
Unified training status Yes
VIRB® Remote Yes
Custom end-dive timeout yes (20s to 10 m)
Smartphone compatibility iPhone®, Android™
Dual grid coordinates Yes
HRM running pace and distance Yes
Expedition GPS Activity Yes
TrueUp™ Yes
Morning report Yes
Multiple time zones with Zulu/UTC No
Trimix support Yes
In the ring Boxing, Mixed Martial Arts
Compatible with Varia™ lights Yes
Two-way voice calls No
Deep Stops yes (using custom gradient factors)
Thermometer Yes
Skin temperature Yes
Red shift mode Yes
Hydration yes (in Garmin Connect™)
Alarm clock Yes
Group LiveTrack Yes
Gyroscope Yes
Underwater wrist-based heart rate Yes
Countdown start (pool swim only) Yes
Push tracker No
Health snapshot Yes
ClimbPro™ Ascent Planner Yes
Truck plaza loyalty programs No
Night vision mode Yes
Swim

Pool Swimming, Open Water Swimming

Tempo Training Yes
Power Modes - customizable in-activity battery settings Yes
Move IQ™ Yes
Speed and cadence sensor support (w/sensor) Yes
Do not disturb/School mode No
Garmin Elevate™ wrist heart rate monitor Yes
Tides Yes
GLONASS Yes
Boat Data Streaming CIQ
Smart Notifications Yes
Garmin Pay™ Yes
HRV status Yes
Automatic daylight saving time Yes
Yoga workouts Yes
Depth sensor Yes
Time/date yes
Sync dive log to Garmin Dive™ Mobile app Yes
Rewards (coins) No
Virtual caddie Yes
Calories burned Yes
Toe-to-Toe™ Challenges app yes (optional Connect IQ Toe-to-Toe™ Challenges app)
Garmin Live Segments Yes
HR broadcast (broadcasts HR data over ANT+® to paired devices) Yes
Fly activity emergency mode No
Total ascent/descent Yes
Auto multisport activities Yes
Last race summary No
Cycle Map (routable cycling-specific street map) Yes
Power curve and % FTP workouts Yes
No fly time yes
PinPointer Yes
Step counter Yes
METAR (Meteorological Aerodrome Report) No
Quick Release bands No
Trail run auto climb Yes
Barometric trend indicator with Storm Alert Yes
Automatic rep counting Yes
LiveTrack Yes
HR calories Yes
Grade-adjusted pace Yes
Sleep coach No
Tides Yes
Water rating Dive (200 meters)
Time and distance alerts Yes
Garmin Connect™ Challenges app yes (optional Connect IQ app)
XERO™ Locations Yes
All-day stress Yes
3-axis dive compass yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Tack assist mode Yes
Compatible with dēzl™ OTR truck navigators No
Worldwide NAVAID and Intersection database(s) No
Cycling

Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX

HIIT workouts Yes
Future elevation plot Yes
QuickFit™ watch band compatible

yes (26 mm)

Large font option Yes
Games No
Orienteering No
Text response/reject phone call with text (Android™ only) Yes
Around Me mode Yes
Realtime settings sync with Garmin Connect™ mobile Yes
Fish forecast Yes
Course guidance Yes
GPS Time Sync Yes
Countdown timer Yes
Auto scroll Yes
Analog hands No
Compass Yes
Digital scorecard yes
Lens Material

sapphire crystal

NextFork™ navigation Yes
Green View with manual pin position Yes
Strength workouts Yes
Distance to destination Yes
Voice messaging No
Women's health yes (in Garmin Connect™)
Training status yes (improved)
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) Yes
Daily resting heart rate Yes
Auto goal (learns your activity level and assigns a daily step goal) Yes
Garmin AutoShot™ Yes
Fitness age yes (in app)
Decompression model Bühlmann ZHL-16c with gradient factors
FTP (Functional Threshold Power) yes (with compatible accessory)
Dive ascent/descent rate indicator Yes
Built-in barometer and tide tables yes (downloadable tides)
Wellness Walking, Pilates, Yoga

Tech Specs

Display Size 1.4” diameter (35.56 mm)
Battery life

Smartwatch: Up to 25 days (10 days always-on)
Battery Saver Watch Mode: Up to 31 days
GPS Only: Up to 76 hours (56 hours always-on)
All Satellite Systems: Up to 55 hours (43 hours always-on)
All Satellite Systems + Multi-band: Up to 48 hours (38 hours always-on)
All Satellite Systems + Music: Up to 17 hours
Max Battery GPS: Up to 118 hours
Expedition GPS: Up to 24 days
Dive Mode: Up to 66 hours
Dive Mode with Air Integration: Up to 40 hours

Display resolution 454 x 454 pixels
GPS Yes
Weight

no bands: 77.8 g
silicone band: 105.6 g
titanium band: 165.9 g

Memory/History

32 GB

Descent Mk3i - 51 MM from Garmin

Regular price $1,599.99

Shipping calculated at checkout

800-0443-A

  • Descent Mk3i - 51 MM from Garmin
  • Descent Mk3i - 51 MM from Garmin

Description
Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, air-integrated 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 66 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 BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER

Key Features

 


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 exit1 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

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

VARIOMETER

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

 

STR3AMUP! PC tool for streaming biometrics No
Wheelchair mode No
3-axis compass with HSI (horizontal situation indicator) No
Touch and/or button lock Yes
Preloaded ski resort maps Yes
Wind speed and direction (requires connection to Garmin Golf app) Yes
Live Event Sharing Yes
Sleep yes (advanced)
Green Contours (with Garmin Golf membership) Yes
Battery saver (customizable low power watch) Yes
Swing Tempo No
Plays and controls watch music Yes
APNEA mode Yes
Gas mixes

Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.

Load ratio Yes
Ground contact time and balance Yes
Density altitude calculator No
Critical swim speed Yes
Training load focus Yes
Compatible with Varia Vision™ (head-mounted display) Yes
HR alerts Yes
Training effect (anaerobic) Yes
Abnormal heart rate alerts yes (high and low)
Easy break planning No
Vertical speed Yes
Lactate threshold yes (with compatible accessory)
View images from notifications on watch (Android™ only) Yes
Workout tutorials No
Number of transmitters supported 8
MTB Grit & Flow Yes
Customizable data pages Yes
Configurable lap alerts Yes
Incident Detection during select activities Yes
Physio TrueUp Yes
Custom alerts Yes
NEXRAD on moving map No
Back to start Yes
Available Boating Profiles Boating, Sailing, Sail Racing
Vertical oscillation and ratio Yes
Altimeter with adjustable baro setting No
Alerts & alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, tank pressure, gas consumption rate. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time
Physical size

51 x 51 x 16.4 mm

Fits wrists with the following circumference:
Silicone band: 135-230 mm
Extra long silicone band: 135-355 mm
Titanium bracelet: 135-220 mm

Move alerts (displays on device after a period of inactivity) Yes
Live Delta Time No
PO2 Up to 2.0 with customizable deco PO2 setting
Automatic altitude adjustment Yes
Bezel Material

Diamond-like Carbon (DLC) coated titanium

Hazards and course targets Yes
Truck driver workouts No
TruSwing™ compatible No
UltraTrac mode Yes
VO2 Max (Trail Run) Yes
Up Ahead Yes
Preloaded race tracks No
Pulse Ox Blood Oxygen Saturation Monitor Yes
Relaxation breathing timer Yes
% HR max Yes
In Case of Emergency (I.C.E.) No
Gas time remaining Yes
Case material fiber-reinforced polymer with titanium rear cover
Team sports Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
Subwave™ Support Yes
Audible alerts No
Color display Yes
Multiple bike profiles No
Rest timer Yes
Wrist-based heart rate (constant, every second) Yes
Find My Phone Yes
PrePass weigh station notifications and bypass decisions No
Stride length (real time) Yes
Bike lap and lap maximum power (with power sensor) Yes
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) Yes
Training effect Yes
Outdoor running

Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing

Spectator messaging No
Customizable conservatism yes (low/medium/high or custom using gradient factors)
Advanced workouts Yes
Charging method Garmin proprietary clip charger
Dive planner yes (basic NDL + multi-gas deco planner)
Trendline™ Popularity Routing Yes
Strava Live Segments Yes
Boundary enter/exit No
Safety Stop yes (customizable off/3min/5min)
Training readiness Yes
Timer Yes
Missed Deco Lockout yes (can be disabled prior to dive with user acknowledgement)
Courses Yes
Respiration rate (during exercise) yes (with compatible accessory)
Wirelessly receive flight plans from Garmin Pilot™ No
Nap detection  Yes
Intensity minutes Yes
Interval training Yes
MOS & Meteogram No
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) Yes
Pairs with Garmin Connect™ Mobile Yes
Breathwork Yes
Virtual starting line Yes
Sun and moon information Yes
Automatically saves dive entry and exit locations Yes
Power guide Yes
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) yes (with compatible accessory)
Sight 'N Go Yes
Location tracking No
Pulse Ox blood oxygen saturation Yes
Projected waypoint Yes
Hill score Yes
Bread crumb trail in real time Yes
Sleep tracking No
Built-in mapping Yes
Customizable activity profiles Yes
Auto start/end dive Yes
Reference point Yes
SatIQ™ Technology Yes
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) Yes
Cadence (provides real-time number of steps per minute) Yes
Controls smartphone music Yes
Power meter compatible Yes
Snow & winter Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing
LED flashlight Yes
APNEA hunt mode Yes
60-minute activity goal No
Manual multisport activities Yes
Chores No
Moving Map with aviation airports, navaids, roads, bodies of water and more No
Point-to-point navigation Yes
Anchor Alarm Yes
Gauge mode Yes
PacePro™ Pacing Strategies Yes
Course- and weather-specific race predictor Yes
Yardage to layups/doglegs Yes
TAF (Terminal Aerodrome Forecast) No
Other activity profiles

Jumpmaster, Tactical, Inline Skating

Auto Pause® Yes
Backlight yes (configurable time and intensity; auto-on at depth)
Running dynamics Yes
Battery life (smartwatch mode) Up to 25 days (10 days always-on)
Gaming Activity Yes
Full vector map Yes
Body Battery™ energy monitor Yes
BLUETOOTH phone calling and voice assistant support No
Accelerometer Yes
Recovery time Yes
On the Water

Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater

Custom dive data screens Yes
GameOn™ app compatible Yes
Drill logging (pool swim only) Yes
Preloaded with 43,000 courses worldwide Yes
Track timer No
Multisport Swimming/Running, Triathlon
Strap material

silicone or DLC coated titanium

Jet lag adviser Yes
Wearable trolling motor remote Yes
Race App No
Round timer/odometer Yes
Smart trainer control Yes
Heat and altitude acclimation Yes
Make calls and send texts via voice No
Cardio workouts Yes
Connected GPS No
Performance condition Yes
Galileo Yes
Distance traveled Yes
Manual lap Yes
GPS-based distance, time and pace Yes
Text messaging No
Realtime stamina Yes
Surface diver status widget yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)
Running power Yes
Nitrox support Yes
Assistance Yes
Race predictor Yes
Stealth Mode Yes
Pairs with Garmin Golf app Yes
Auto lap splits No
"Repeat on" rest timer (pool swim only) Yes
Pilates workouts Yes
GPS coordinates Yes
Lap Time Repeatability Score (LTR) No
Air integration yes (via Subwave™)
Audio prompts Yes
Auto CourseView updates Yes
Downloadable training plans Yes
Stocks Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course) automatic
Run/Walk/Stand detection Yes
Closed Circuit Rebreather (CCR) Yes
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)
Compatible with Varia™ radar (rear-facing radar) Yes
Task timers (2, 5, 10, 15, 20 and 30 minutes) No
Pool swim workouts Yes
Assistance Plus No
Multi-gas mode Yes
Music storage Yes
Race an Activity Yes
Kill switch Yes
Hot keys Yes
Single-gas mode Yes
Activity history on watch Yes
On-screen workout animations Yes
Meditation No
Auto max HR Yes
Residual Tissue Loading Reset yes (on the surface with user acknowledgement)
Daily suggested workouts yes (improved)
Solar Charging No
Foot pod capable Yes
Compatible with Vector™ and Rally™ (power meters) Yes
Phone-free text messaging No
Tournament legal Yes
Display type AMOLED
Incident detection alert on phone for wearables Yes
Race an activity Yes
Finish time Yes
Elevation profile Yes
PlaysLike distance Yes
Aviation Alerts No
Virtual Partner Yes
VO2 Max (Run) Yes
Relaxation reminders No
Reminder alerts No
Wind meter compatible No
Racket sports Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Race glance/widget Yes
Training load Yes
Endurance score Yes
Touchscreen Yes
Chronograph No
Gym Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
Motor sports Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling
Ambient light sensor Yes
Touch-targeting (touch target on display to see the distance to any point) Yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) Yes
Garmin ECG App No
In-flight Pulse Ox No
Yardage to F/M/B (distance to front, middle and back of green) Yes
Calendar Yes
Barometric altimeter Yes
Unlock new step icons No
On-device Connect IQ™ Store Yes
Weather forecasts Yes
Auto Lap® Yes
Sunrise/sunset times Yes
Tide glance Yes
Pacing alerts (pool swim only) Yes
Floors climbed Yes
Dive activity maximum operating depth 200 meters
Respiration rate (24x7) Yes
Gas consumption rate Yes
Workouts for wheelchair users  No
% HRR Yes
Ballistics solver yes (unlock required)
On-screen workout muscle maps Yes
Auto rest Yes
Basic rest timer (up from 0) (pool swim only) Yes
Outdoor recreation

Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery

TracBack® Yes
Weight shift alert  No
Advanced cycling dynamics Yes
Handicap scoring Yes
Autopilot Control yes
Primary benefit (Training Effect labels) Yes
Multi-band GPS Yes
HR zones Yes
Auto rest (pool swim only) Yes
Stat tracking (strokes, putts per round, greens and fairways hit) Yes
Connectivity BLUETOOTH®, ANT+®, Wi-Fi®, Subwave™
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) Yes
Sleep score and insights Yes
Custom targets Yes
Downloadable cartography support Yes
Available run profiles

Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running

Run workouts Yes
Stopwatch Yes
Worldwide airport database(s) No
Waypoint information page No
Indoor running Treadmill Running, Indoor Track Running, Virtual Running
GPS speed and distance Yes
Round-trip course creator (running/cycling) Yes
Leakproof inductive buttons Yes
Area calculation yes (via Connect IQ™)
Find My Watch Yes
Automatic club tracking compatible (requires accessory) Yes
Connext avionics connectivity No
Preloaded road and trail maps Yes
Built-in speaker/microphone No
Rest Timer (Ultra Run only) Yes
Unified training status Yes
VIRB® Remote Yes
Custom end-dive timeout yes (20s to 10 m)
Smartphone compatibility iPhone®, Android™
Dual grid coordinates Yes
HRM running pace and distance Yes
Expedition GPS Activity Yes
TrueUp™ Yes
Morning report Yes
Multiple time zones with Zulu/UTC No
Trimix support Yes
In the ring Boxing, Mixed Martial Arts
Compatible with Varia™ lights Yes
Two-way voice calls No
Deep Stops yes (using custom gradient factors)
Thermometer Yes
Skin temperature Yes
Red shift mode Yes
Hydration yes (in Garmin Connect™)
Alarm clock Yes
Group LiveTrack Yes
Gyroscope Yes
Underwater wrist-based heart rate Yes
Countdown start (pool swim only) Yes
Push tracker No
Health snapshot Yes
ClimbPro™ Ascent Planner Yes
Truck plaza loyalty programs No
Night vision mode Yes
Swim

Pool Swimming, Open Water Swimming

Tempo Training Yes
Power Modes - customizable in-activity battery settings Yes
Move IQ™ Yes
Speed and cadence sensor support (w/sensor) Yes
Do not disturb/School mode No
Garmin Elevate™ wrist heart rate monitor Yes
Tides Yes
GLONASS Yes
Boat Data Streaming CIQ
Smart Notifications Yes
Garmin Pay™ Yes
HRV status Yes
Automatic daylight saving time Yes
Yoga workouts Yes
Depth sensor Yes
Time/date yes
Sync dive log to Garmin Dive™ Mobile app Yes
Rewards (coins) No
Virtual caddie Yes
Calories burned Yes
Toe-to-Toe™ Challenges app yes (optional Connect IQ Toe-to-Toe™ Challenges app)
Garmin Live Segments Yes
HR broadcast (broadcasts HR data over ANT+® to paired devices) Yes
Fly activity emergency mode No
Total ascent/descent Yes
Auto multisport activities Yes
Last race summary No
Cycle Map (routable cycling-specific street map) Yes
Power curve and % FTP workouts Yes
No fly time yes
PinPointer Yes
Step counter Yes
METAR (Meteorological Aerodrome Report) No
Quick Release bands No
Trail run auto climb Yes
Barometric trend indicator with Storm Alert Yes
Automatic rep counting Yes
LiveTrack Yes
HR calories Yes
Grade-adjusted pace Yes
Sleep coach No
Tides Yes
Water rating Dive (200 meters)
Time and distance alerts Yes
Garmin Connect™ Challenges app yes (optional Connect IQ app)
XERO™ Locations Yes
All-day stress Yes
3-axis dive compass yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Tack assist mode Yes
Compatible with dēzl™ OTR truck navigators No
Worldwide NAVAID and Intersection database(s) No
Cycling

Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX

HIIT workouts Yes
Future elevation plot Yes
QuickFit™ watch band compatible

yes (26 mm)

Large font option Yes
Games No
Orienteering No
Text response/reject phone call with text (Android™ only) Yes
Around Me mode Yes
Realtime settings sync with Garmin Connect™ mobile Yes
Fish forecast Yes
Course guidance Yes
GPS Time Sync Yes
Countdown timer Yes
Auto scroll Yes
Analog hands No
Compass Yes
Digital scorecard yes
Lens Material

sapphire crystal

NextFork™ navigation Yes
Green View with manual pin position Yes
Strength workouts Yes
Distance to destination Yes
Voice messaging No
Women's health yes (in Garmin Connect™)
Training status yes (improved)
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) Yes
Daily resting heart rate Yes
Auto goal (learns your activity level and assigns a daily step goal) Yes
Garmin AutoShot™ Yes
Fitness age yes (in app)
Decompression model Bühlmann ZHL-16c with gradient factors
FTP (Functional Threshold Power) yes (with compatible accessory)
Dive ascent/descent rate indicator Yes
Built-in barometer and tide tables yes (downloadable tides)
Wellness Walking, Pilates, Yoga

Tech Specs

Display Size 1.4” diameter (35.56 mm)
Battery life

Smartwatch: Up to 25 days (10 days always-on)
Battery Saver Watch Mode: Up to 31 days
GPS Only: Up to 76 hours (56 hours always-on)
All Satellite Systems: Up to 55 hours (43 hours always-on)
All Satellite Systems + Multi-band: Up to 48 hours (38 hours always-on)
All Satellite Systems + Music: Up to 17 hours
Max Battery GPS: Up to 118 hours
Expedition GPS: Up to 24 days
Dive Mode: Up to 66 hours
Dive Mode with Air Integration: Up to 40 hours

Display resolution 454 x 454 pixels
GPS Yes
Weight

no bands: 77.8 g
silicone band: 105.6 g
titanium band: 165.9 g

Memory/History

32 GB

Descent Mk3i - 51 MM from Garmin
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