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Garmin Descent MK3i (Black, 51mm)

Garmin

$1,599.99
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SKU:
X753759332891
UPC:
753759332891
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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

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

 

What You'll Love
Sleep score and insights Yes
Battery life (smartwatch mode) Up to 25 days (10 days always-on)
Built-in mapping Yes
Pulse Ox blood oxygen Yes
LED flashlight Yes
Garmin Pay™ Yes
Multi-band GPS Yes
Music storage Yes
Training readiness Yes
Training status yes (improved)
Display type AMOLED
Touchscreen Yes
Water rating Dive (200 meters)
General
Strap material

silicone or DLC coated titanium

Lens Material

sapphire crystal

Bezel Material

Diamond-like Carbon (DLC) coated titanium

Case material fiber-reinforced polymer with titanium rear cover
QuickFit® watch band compatible

yes (26 mm)

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

Weight

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

Leakproof inductive buttons Yes
Display Size 1.4” diameter (35.56 mm)
Display resolution 454 x 454 pixels
Color display Yes
Large font option Yes
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

Charging method Garmin proprietary clip charger
Memory/History 32 GB
Clock Features
Time/date yes
GPS Time Sync Yes
Automatic daylight saving time Yes
Alarm clock Yes
Timer Yes
Stopwatch Yes
Sunrise/sunset times Yes
Health & Wellness Monitoring
Wrist-based heart rate (constant, every second) Yes
Resting heart rate Yes
Abnormal heart rate alerts yes (high and low)
Respiration rate Yes
Fitness age yes (in app)
Body Battery™ energy monitor Yes
All-day stress Yes
Relaxation breathing timer Yes
Breathwork Yes
Sleep yes (advanced)
Nap detection  Yes
Hydration yes (in Garmin Connect™)
Women's health yes (in Garmin Connect™)
Health snapshot Yes
Skin temperature Yes
Jet lag adviser Yes
Sensors
GPS Yes
GLONASS Yes
Galileo Yes
SatIQ™ Technology Yes
Garmin Elevate™ wrist heart rate monitor Yes
Pulse Ox Blood Oxygen Saturation Monitor Yes
Barometric altimeter Yes
Compass Yes
Gyroscope Yes
Accelerometer Yes
Thermometer Yes
Ambient light sensor Yes
Depth sensor Yes
Daily Smart Features
Connectivity Bluetooth®, ANT+®, Wi-Fi®, Subwave™
Connect IQ™ (downloadable watch faces, data fields and apps) Yes
On-device Connect IQ™ Store Yes
Smart Notifications Yes
Text response/reject phone call with text (Android™ only) Yes
View images from notifications on watch (Android™ only) Yes
Morning report Yes
Calendar Yes
Weather forecasts Yes
Realtime settings sync with Garmin Connect™ mobile Yes
Battery saver (customizable low power watch) Yes
Controls smartphone music Yes
Plays and controls watch music Yes
Find My Phone Yes
Find My Watch Yes
Find My Phone during GPS activity Yes
Compatible with Garmin Messenger app Yes
VIRB® Remote Yes
Smart trainer control Yes
Pairs with Garmin Connect™ Mobile Yes
Smartphone compatibility iPhone®, Android™
Stocks Yes
Red shift mode Yes
Garmin Share Yes
Workout and Training Plans
Daily Suggested Workout - Running (Pace and Heart Rate Based) Yes
Daily Suggested Workout - Cycling (Pace and Heart Rate Based) Yes
Garmin Running Coach Yes
Garmin Running Coach Experts Yes
Garmin Cycling Coach Yes
Garmin Coach - Prebuilt Cycling Plans Yes
Cardio workouts Yes
Strength workouts Yes
HIIT workouts Yes
Yoga workouts Yes
Pilates workouts Yes
On-screen workout animations Yes
On-screen workout muscle maps Yes
Activity Profiles
Gym Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
Multisport Swimming/Running, Triathlon
Wellness

Walking, Pilates, Yoga, Indoor Walking

Indoor running Treadmill Running, Indoor Track Running, Virtual Running
Outdoor running

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

Outdoor recreation

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

Cycling

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

Swim

Pool Swimming, Open Water Swimming

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

Motor sports Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling
Racket sports Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Snow & winter Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing
Team sports Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
In the ring Boxing, Mixed Martial Arts
Other activity profiles

Jumpmaster, Tactical, Inline Skating

Safety and Tracking Features
Incident Detection during select activities Yes
Incident detection alert on phone for wearables Yes
Assistance Yes
Live Event Sharing Yes
Tactical Features
Ballistics solver yes (unlock required)
Dual grid coordinates Yes
Kill switch Yes
Night vision mode Yes
Stealth Mode Yes
XERO™ Locations Yes
Gaming Features
Gaming Activity Yes
GameOn™ app compatible Yes
Diving Features
Dive activity maximum operating depth 200 meters
Single-gas mode Yes
Multi-gas mode Yes
Gauge mode Yes
APNEA mode Yes
APNEA hunt mode Yes
Pool APNEA Yes
Decompression model Bühlmann ZHL-16c with gradient factors
Nitrox support Yes
Trimix support Yes
Closed Circuit Rebreather (CCR) Yes
Gas mixes

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

PO2 Up to 2.0 with customizable deco PO2 setting
Subwave™ Support Yes
Air integration yes (via Subwave™)
Number of transmitters supported 8
Gas time remaining Yes
Gas consumption rate Yes
Auto start/end dive Yes
Custom end-dive timeout yes (20s to 10 m)
Safety Stop yes (customizable off/3min/5min)
Deep Stops yes (using custom gradient factors)
Customizable conservatism yes (low/medium/high or custom using gradient factors)
Dive ascent/descent rate indicator Yes
Automatic altitude adjustment Yes
No fly time yes
Dive planner yes (basic NDL + multi-gas deco planner)
Tides Yes
Backlight yes (configurable time and intensity; auto-on at depth)
Automatically saves dive entry and exit locations Yes
Sync dive log to Garmin Dive™ Mobile app Yes
Custom dive data screens Yes
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
3-axis dive compass yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Missed Deco Lockout yes (can be disabled prior to dive with user acknowledgement)
Residual Tissue Loading Reset yes (on the surface with user acknowledgement)
Surface diver status widget yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)
Boating Features
Available Boating Profiles Boating, Sailing, Sail Racing
Anchor Alarm Yes
Autopilot Control yes
Boat Data Streaming CIQ
Virtual starting line Yes
Countdown timer Yes
Tack assist mode Yes
Built-in barometer and tide tables yes (downloadable tides)
Wearable trolling motor remote Yes
Activity Tracking Features
Step counter Yes
Move alerts (displays on device after a period of inactivity) Yes
Auto goal (learns your activity level and assigns a daily step goal) Yes
Calories burned Yes
Floors climbed Yes
Distance traveled Yes
Intensity minutes Yes
TrueUp™ Yes
Move IQ™ Yes
Garmin Connect™ Challenges app yes (optional Connect IQ app)
Automatic rep counting Yes
Training, Planning and Analysis Features
Customizable data pages Yes
Downloadable training plans Yes
Course guidance Yes
HR zones Yes
HR alerts Yes
HR calories Yes
% HR max Yes
% HRR Yes
Recovery time Yes
Auto max HR Yes
Race glance/widget Yes
HRV status 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)
HR broadcast (broadcasts HR data over ANT+® to paired devices) Yes
Respiration rate (during exercise) yes (with compatible accessory)
GPS speed and distance Yes
Customizable activity profiles Yes
Auto Pause® automatic timer halt Yes
Interval training Yes
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) Yes
Advanced workouts Yes
Power Modes - customizable in-activity battery settings Yes
HRM running pace and distance Yes
Auto Lap® interval tracking feature Yes
Manual lap Yes
Rest timer Yes
Configurable lap alerts Yes
Heat and altitude acclimation Yes
VO2 Max (Run) Yes
VO2 Max (Trail Run) Yes
Realtime stamina Yes
Endurance score Yes
Load ratio Yes
Training load Yes
Training load focus Yes
Training effect Yes
Training effect (anaerobic) Yes
Primary benefit (Training Effect labels) Yes
Improved recovery time Yes
Custom alerts Yes
Voice alerts Yes
Finish time Yes
Virtual Partner Yes
Race an Activity Yes
Manual multisport activities Yes
Garmin Live Segments Yes
Strava Live Segments Yes
Round-trip course creator (running/cycling) Yes
Trendline™ Popularity Routing Yes
Touch and/or button lock Yes
Shortcuts Yes
Auto scroll Yes
Activity history on watch Yes
Physio TrueUp Yes
Unified training status Yes
Running Features
GPS-based distance, time and pace Yes
Running dynamics Yes
Vertical oscillation and ratio Yes
Ground contact time and balance Yes
Stride length (real time) Yes
Cadence (provides real-time number of steps per minute) Yes
Running power Yes
Grade-adjusted pace Yes
Performance condition Yes
Lactate threshold yes (with compatible accessory)
PacePro™ Pacing Strategies Yes
Run workouts Yes
Hill score Yes
Trail run auto climb Yes
Race predictor Yes
Course- and weather-specific race predictor Yes
Foot pod capable Yes
Run/Walk/Stand detection Yes
Golfing Features
Preloaded with 43,000 courses worldwide Yes
Yardage to F/M/B (distance to front, middle and back of green) Yes
Yardage to layups/doglegs Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course) automatic
Digital scorecard yes
Custom targets Yes
Stat tracking (strokes, putts per round, greens and fairways hit) Yes
Garmin AutoShot™ Yes
Full vector map Yes
Auto CourseView updates Yes
Green View with manual pin position Yes
Hazards and course targets Yes
PinPointer Yes
PlaysLike distance Yes
Touch-targeting (touch target on display to see the distance to any point) Yes
Handicap scoring Yes
Tempo Training Yes
Round timer/odometer Yes
CT10 Automatic club tracking compatible (requires accessory) Yes
Wind speed and direction (requires connection to Garmin Golf app) Yes
Virtual caddie Yes
Pairs with Garmin Golf app Yes
Tournament legal Yes
Green Contours (with Garmin Golf membership) Yes
Outdoor Recreation
Point-to-point navigation Yes
Bread crumb trail in real time Yes
Back to start Yes
TracBack® Yes
UltraTrac mode Yes
Explore Nearby Yes
Reference point Yes
Up Ahead Yes
NextFork™ navigation Yes
Elevation profile Yes
Distance to destination Yes
Barometric trend indicator with Storm Alert Yes
ClimbPro™ Ascent Planner Yes
Vertical speed Yes
Total ascent/descent Yes
Rest Timer (Ultra Run only) Yes
Auto rest Yes
Future elevation plot Yes
Preloaded road and trail maps Yes
Preloaded ski resort maps Yes
Downloadable cartography support Yes
GPS coordinates Yes
Sight 'N Go Yes
Area calculation yes (via Connect IQ™)
Fish forecast Yes
Projected waypoint Yes
Sun and moon information Yes
Expedition GPS Activity Yes
Tides Yes
Tide glance Yes
Cycling Features
Courses Yes
Bike lap and lap maximum power (with power sensor) Yes
Race an activity Yes
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) Yes
FTP (Functional Threshold Power) yes (with compatible accessory)
Power curve and % FTP workouts Yes
Cycle Map (routable cycling-specific street map) Yes
MTB Grit & Flow Yes
Advanced cycling dynamics Yes
Compatible with Vector™ and Rally™ (power meters) Yes
Compatible with Varia Vision™ (head-mounted display) Yes
Compatible with Varia™ radar (rear-facing radar) Yes
Compatible with Varia™ lights Yes
Compatible with Varia headlight camera Yes
Speed and cadence sensor support (w/sensor) Yes
Power meter compatible Yes
Power guide Yes
Swimming Features
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) Yes
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) Yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) Yes
Drill logging (pool swim only) Yes
Basic rest timer (up from 0) (pool swim only) Yes
"Repeat on" rest timer (pool swim only) Yes
Auto rest (pool swim only) Yes
Time and distance alerts Yes
Time and distance alerts Yes
Pacing alerts (pool swim only) Yes
Countdown start (pool swim only) Yes
Pool swim workouts Yes
Critical swim speed Yes
Underwater wrist-based heart rate 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)
Kid Activity Tracking Features
Toe-to-Toe™ Challenges app yes (optional Connect IQ Toe-to-Toe™ Challenges app)