
GARMIN Descent™ Mk3i – 51 mm, Carbon Gray 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 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 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 1.4” AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep. DIVE 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 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. 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. QuickFit® accessory bands let you match your style with no tools required. LEARN MORE Customize your Garmin device using the Connect IQ™ Store. LEARN MORE The Garmin Dive™ app lets you log, track and share your dives. LEARN MORE 1 Additional equipment (sold separately) and device pairing required 2 Sold separately; active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used. 3 When paired with the Garmin Connect smart-device app and the Surfline smart-device app 4 Activity tracking and fitness metric accuracy 5 This is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox not available in all countries. 6 When paired with your compatible smartphone. See safety and tracking feature requirements and limitations. Feature not available while in dive mode. SPOTIFY and the Spotify logo are among the registered trademarks of Spotify AB. Amazon Music and all related logos are trademarks of Amazon.com, Inc. or its affiliates. iPhone is a trademark of Apple Inc., registered in the U.S. and other countries. Android is a trademark of Google LLC Physical & Performance 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 daysGPS 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 hoursMax Battery GPS: Up to 118 hoursExpedition GPS: Up to 24 daysDive Mode: Up to 66 hoursDive Mode with Air Integration: Up to 40 hours Display resolution 454 x 454 pixels GPS Yes Weight no bands: 77.8 gsilicone band: 105.6 gtitanium band: 165.9 g Maps & Navigation Memory/History 32 GB Features 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 mmExtra long silicone band: 135-355 mmTitanium 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 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