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Garmin Descent Mk3i – 51mm Specs
What You’ll Love |
|
| Battery life (smartwatch mode) | Up to 25 days (10 days always-on) |
|---|---|
| Watch display type | AMOLED |
| LED Flashlight | ✔ |
| Touchscreen | ✔ |
| Watch water rating | Dive (200 meters) |
| Sleep score and insights | ✔ |
| Training readiness | ✔ |
| Training status | yes (improved) |
| Daily suggested workouts | yes (improved) |
| Multi-band GPS | ✔ |
| Built-in mapping | ✔ |
| Garmin Pay™ | ✔ |
| Music storage | ✔ |
General |
|
| Lens Material | sapphire crystal |
| Bezel Material | Diamond-like Carbon (DLC) coated titanium |
| Case material | Mk3: fiber-reinforced polymer with stainless steel rear cover Mk3i: fiber-reinforced polymer with titanium rear cover |
| QuickFit™ watch band compatible | yes (26 mm) |
| Strap material | silicone or DLC coated titanium |
| Physical size | 51 x 51 x 16.4 mm
Fits wrists with the following circumference: |
| Weight | no bands: 77.8 g silicone band: 105.6 g titanium band: 165.9 g |
| Leakproof inductive buttons | ✔ |
| Display Size | 1.4” diameter (35.56 mm) |
| Display Resolution | 454 x 454 pixels |
| Color display | ✔ |
| 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 | ✔ |
| GPS Time Sync | ✔ |
| Automatic daylight saving time | ✔ |
| Alarm clock | ✔ |
| Timer | ✔ |
| Stopwatch | ✔ |
| Sunrise/sunset times | ✔ |
Health & Wellness Monitoring |
|
| Wrist-based heart rate (constant, every second) | ✔ |
| Daily resting heart rate | ✔ |
| Abnormal heart rate alerts | yes (high and low) |
| Respiration rate (24×7) | ✔ |
| Pulse Ox blood oxygen saturation | ✔ |
| Fitness age | yes (in app) |
| Body Battery™ energy monitor | ✔ |
| All-day stress | ✔ |
| Relaxation breathing timer | ✔ |
| Breathwork | ✔ |
| Sleep | yes (advanced) |
| Hydration | yes (in Garmin Connect™) |
| Women’s health | yes (in Garmin Connect™) |
| Health snapshot | ✔ |
| Jet lag adviser | ✔ |
Sensors |
|
| GPS | ✔ |
| GLONASS | ✔ |
| Galileo | ✔ |
| SatIQ™ Technology | ✔ |
| Garmin Elevate™ wrist heart rate monitor | ✔ |
| Pulse Ox Blood Oxygen Saturation Monitor | ✔ |
| Barometric altimeter | ✔ |
| Compass | ✔ |
| Gyroscope | ✔ |
| Accelerometer | ✔ |
| Thermometer | ✔ |
| Ambient light sensor | ✔ |
| Depth sensor | ✔ |
Daily Smart Features |
|
| Connectivity | BLUETOOTH®, ANT+®, Wi-Fi®, Subwave™ |
| Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | ✔ |
| On-device Connect IQ™ Store | ✔ |
| Smart Notifications | ✔ |
| Text response/reject phone call with text (Android™ only) | ✔ |
| View images from notifications on watch (Android™ only) | ✔ |
| Morning report | ✔ |
| Calendar | ✔ |
| Weather forecasts | ✔ |
| Realtime settings sync with Garmin Connect™ mobile | ✔ |
| Battery saver (customizable low power watch) | ✔ |
| Controls smartphone music | ✔ |
| Plays and controls watch music | ✔ |
| Find My Phone | ✔ |
| Find My Watch | ✔ |
| VIRB® Remote | ✔ |
| Smart trainer control | ✔ |
| Pairs with Garmin Connect™ Mobile | ✔ |
| Smartphone compatibility | iPhone®, Android™ |
| Stocks | ✔ |
| Red shift mode | ✔ |
Activity Profiles |
|
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing |
| Multisport | Swimming/Running, Triathlon |
| Wellness | Walking, Pilates, Yoga |
| Indoor running | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running |
| 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 |
Safety and Tracking Features |
|
| Incident Detection during select activities | ✔ |
| Incident detection alert on phone for wearables | ✔ |
| Assistance | ✔ |
| LiveTrack | ✔ |
| Group LiveTrack | ✔ |
| Live Event Sharing | ✔ |
Tactical Features |
|
| Stealth Mode | ✔ |
| Night vision mode | ✔ |
| Dual grid coordinates | ✔ |
| Kill switch | ✔ |
| XERO™ Locations | ✔ |
| Ballistics solver | yes (unlock required) |
Gaming Features |
|
| Gaming activity | ✔ |
| GameOn™ app compatible | ✔ |
Diving Features |
|
| Dive activity maximum operating depth | 200 meters |
| Single-gas mode | ✔ |
| Multi-gas mode | ✔ |
| Gauge mode | ✔ |
| APNEA mode | ✔ |
| APNEA hunt mode | ✔ |
| Decompression model | Bühlmann ZHL-16c with gradient factors |
| Nitrox support | ✔ |
| Trimix support | ✔ |
| Closed Circuit Rebreather (CCR) | ✔ |
| 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 | ✔ |
| Air integration | yes (via Subwave™) |
| Number of transmitters supported | 8 |
| Gas time remaining | ✔ |
| Gas consumption rate | ✔ |
| Auto start/end dive | ✔ |
| 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 | ✔ |
| Automatic altitude adjustment | ✔ |
| No fly time | ✔ |
| Dive planner | yes (basic NDL + multi-gas deco planner) |
| Tides | ✔ |
| Backlight | yes (configurable time and intensity; auto-on at depth) |
| Automatically saves dive entry and exit locations | ✔ |
| Custom dive data screens | ✔ |
| Sync dive log to Garmin Dive™ Mobile app | ✔ |
| 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 | ✔ |
| Autopilot Control | ✔ |
| Boat Data Streaming | CIQ |
| Virtual starting line | ✔ |
| Countdown timer | ✔ |
| Tack assist mode | ✔ |
| Built-in barometer and tide tables | yes (downloadable tides) |
| Wearable trolling motor remote | ✔ |
Activity Tracking Features |
|
| Step counter | ✔ |
| Move alerts (displays on device after a period of inactivity) | ✔ |
| Auto goal (learns your activity level and assigns a daily step goal) | ✔ |
| Calories burned | ✔ |
| Floors climbed | ✔ |
| Distance traveled | ✔ |
| Intensity minutes | ✔ |
| TrueUp™ | ✔ |
| Move IQ™ | ✔ |
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) |
Gym & Fitness Equipment |
|
| Cardio workouts | ✔ |
| Strength workouts | ✔ |
| HIIT workouts | ✔ |
| Yoga workouts | ✔ |
| Pilates workouts | ✔ |
| On-screen workout animations | ✔ |
| On-screen workout muscle maps | ✔ |
| Automatic rep counting | ✔ |
Training, Planning and Analysis Features |
|
| Customizable data pages | ✔ |
| Downloadable training plans | ✔ |
| Course guidance | ✔ |
| HR zones | ✔ |
| HR alerts | ✔ |
| HR calories | ✔ |
| % HR max | ✔ |
| % HRR | ✔ |
| Recovery time | ✔ |
| Auto max HR | ✔ |
| Race glance/widget | ✔ |
| HRV status | ✔ |
| 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) | ✔ |
| Respiration rate (during exercise) | yes (with compatible accessory) |
| GPS speed and distance | ✔ |
| Customizable activity profiles | ✔ |
| Auto Pause® | ✔ |
| Interval training | ✔ |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | ✔ |
| Advanced workouts | ✔ |
| Power Modes – customizable in-activity battery settings | ✔ |
| HRM running pace and distance | ✔ |
| Auto Lap® | ✔ |
| Manual lap | ✔ |
| Rest timer | ✔ |
| Configurable lap alerts | ✔ |
| Heat and altitude acclimation | ✔ |
| VO2 Max (Run) | ✔ |
| VO2 Max (Trail Run) | ✔ |
| Realtime stamina | ✔ |
| Endurance score | ✔ |
| Load ratio | ✔ |
| Training load | ✔ |
| Training load focus | ✔ |
| Training effect | ✔ |
| Training effect (anaerobic) | ✔ |
| Primary benefit (Training Effect labels) | ✔ |
| Custom alerts | ✔ |
| Audio prompts | ✔ |
| Finish time | ✔ |
| Virtual Partner | ✔ |
| Race an Activity | ✔ |
| Auto multisport activities | ✔ |
| Manual multisport activities | ✔ |
| Garmin Live Segments | ✔ |
| Strava Live Segments | ✔ |
| Round-trip course creator (running/cycling) | ✔ |
| Trendline™ Popularity Routing | ✔ |
| Touch and/or button lock | ✔ |
| Hot keys | ✔ |
| Auto scroll | ✔ |
| Activity history on watch | ✔ |
| Physio TrueUp | ✔ |
| Unified training status | ✔ |
Running Features |
|
| Available run profiles | Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running |
| GPS-based distance, time and pace | ✔ |
| Running dynamics | ✔ |
| Vertical oscillation and ratio | ✔ |
| Ground contact time and balance | ✔ |
| Stride length (real time) | ✔ |
| Cadence (provides real-time number of steps per minute) | ✔ |
| Running power | ✔ |
| Grade-adjusted pace | ✔ |
| Performance condition | ✔ |
| Lactate threshold | yes (with compatible accessory) |
| PacePro™ Pacing Strategies | ✔ |
| Run workouts | ✔ |
| Hill score | ✔ |
| Trail run auto climb | ✔ |
| Race predictor | ✔ |
| Course- and weather-specific race predictor | ✔ |
| Foot pod capable | ✔ |
| Run/Walk/Stand detection | ✔ |
Golfing Features |
|
| Preloaded with 43,000 courses worldwide | ✔ |
| Yardage to F/M/B (distance to front, middle and back of green) | ✔ |
| Yardage to layups/doglegs | ✔ |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic |
| Digital scorecard | ✔ |
| Custom targets | ✔ |
| Stat tracking (strokes, putts per round, greens and fairways hit) | ✔ |
| Garmin AutoShot™ | ✔ |
| Full vector map | ✔ |
| Auto CourseView updates | ✔ |
| Green View with manual pin position | ✔ |
| Hazards and course targets | ✔ |
| PinPointer | ✔ |
| PlaysLike distance | ✔ |
| Touch-targeting (touch target on display to see the distance to any point) | ✔ |
| Handicap scoring | ✔ |
| Tempo Training | ✔ |
| Round timer/odometer | ✔ |
| Automatic club tracking compatible (requires accessory) | ✔ |
| Wind speed and direction (requires connection to Garmin Golf app) | ✔ |
| Virtual caddie | ✔ |
| Pairs with Garmin Golf app | ✔ |
| Tournament legal | ✔ |
| Green Contours (with Garmin Golf membership) | ✔ |
Outdoor Recreation |
|
| Point-to-point navigation | ✔ |
| Bread crumb trail in real time | ✔ |
| Back to start | ✔ |
| TracBack® | ✔ |
| UltraTrac mode | ✔ |
| Around Me mode | ✔ |
| Reference point | ✔ |
| Up Ahead | ✔ |
| NextFork™ navigation | ✔ |
| Elevation profile | ✔ |
| Distance to destination | ✔ |
| Barometric trend indicator with Storm Alert | ✔ |
| ClimbPro™ Ascent Planner | ✔ |
| Vertical speed | ✔ |
| Total ascent/descent | ✔ |
| Rest Timer (Ultra Run only) | ✔ |
| Auto rest | ✔ |
| Future elevation plot | ✔ |
| Preloaded road and trail maps | ✔ |
| Preloaded ski resort maps | ✔ |
| Downloadable cartography support | ✔ |
| GPS coordinates | ✔ |
| Sight ‘N Go | ✔ |
| Area calculation | yes (via Connect IQ™) |
| Fish forecast | ✔ |
| Projected waypoint | ✔ |
| Sun and moon information | ✔ |
| Expedition GPS Activity | ✔ |
| Tides | ✔ |
| Tide glance | ✔ |
Cycling Features |
|
| Courses | ✔ |
| Bike lap and lap maximum power (with power sensor) | ✔ |
| Race an activity | ✔ |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | ✔ |
| FTP (Functional Threshold Power) | yes (with compatible accessory) |
| Power curve and % FTP workouts | ✔ |
| Cycle Map (routable cycling-specific street map) | ✔ |
| MTB Grit & Flow | ✔ |
| Advanced cycling dynamics | ✔ |
| Compatible with Vector™ and Rally™ (power meters) | ✔ |
| Compatible with Varia Vision™ (head-mounted display) | ✔ |
| Compatible with Varia™ radar (rear-facing radar) | ✔ |
| Compatible with Varia™ lights | ✔ |
| Speed and cadence sensor support (w/sensor) | ✔ |
| Power meter compatible | ✔ |
| Power guide | ✔ |
Swimming Features |
|
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | ✔ |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | ✔ |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | ✔ |
| Drill logging (pool swim only) | ✔ |
| Basic rest timer (up from 0) (pool swim only) | ✔ |
| “Repeat on” rest timer (pool swim only) | ✔ |
| Auto rest (pool swim only) | ✔ |
| Time and distance alerts | ✔ |
| Pacing alerts (pool swim only) | ✔ |
| Countdown start (pool swim only) | ✔ |
| Pool swim workouts | ✔ |
| Critical swim speed | ✔ |
| Underwater wrist-based heart rate | ✔ |
| 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) |
In the Box:
Mk3i – Carbon Gray DLC Titanium with Black Band (010-02752-10)
- Descent Mk3i – 51 mm, carbon gray DLC titanium with black silicone band
- Black extra-long adjustment strap
- USB-C clip charging/data cable
- Documentation
Mk3i – Carbon Gray DLC Titanium with DLC Titanium Band (010-02752-13)
- Descent Mk3i – 51 mm, carbon gray DLC titanium with DLC titanium band
- Black QuickFit™ 26 silicone band
- Black extra-long adjustment strap
- USB-C clip charging/data cable
- Documentation