Garmin Descent™ Mk3i - 51mm

This advanced air-integrated¹ dive computer and smartwatch with SubWave™ sonar-based communication and dive monitoring features features innovative Garmin features to help you get the most out of your dives – it also has multi-sport training and smart features for an active lifestyle on land.

If you want this computer in a slightly slimmer version, you can find the Mk3i 43 mm here.

Specifications:

• BATTERY LIFE (IN SMARTWATCH MODE): Up to 25 days (10 days in always-on mode)

• CLOCK SCREEN TYPE: AMOLED

• LED FLASHLIGHT

• TOUCH SCREEN

• WATER CERTIFICATION OF THE WATCH: Dive (200 meters)

• SLEEP POINTS AND INSIGHTS

• TRAINING READINESS

• TRAINING STATUS: Improved

• DAILY SUGGESTED WORKOUTS: Improved

• MULTIBAND GPS

• BUILT-IN MAPS

• GARMIN PAY™

• MUSIC STORAGE

Diving features:

• MAXIMUM WORKING DEPTH FOR DIVING ACTIVITY 200 metres

• SINGLE THROTTLE MODE

• MULTIGAS MODE

• METER MODE

• APNEA MODE

• APNEA HUNT MODE

• DECOMPRESSION MODEL: Bühlmann ZHL-16c with climb factors

• NITROX SUPPORT

• TRIMIX SUPPORT

• CCR (CLOSED CIRCUIT REBREATHER)

• GAS MIXTURE: Air, nitrox and trimix up to 100% O2; 1 bottom gas and up to 11 decompression and/or reserve gases.

• PO2: Up to 2.0 with customizable decompression partial pressure settings

• SUBWAVE™ SUPPORT

• AIR INTEGRATION Yes (via SubWave™)

• NUMBER OF TRANSMITTERS SUPPORTED: 8

• REMAINING GAS TIME

• GAS CONSUMPTION FREQUENCY

• AUTO START/END DIVE

• CUSTOM END-DIVE TIMEOUT: Yes (20 sec to 10 min)

• SAFETY STOP: Yes (customizable off / 3min / 5min)

• DEEP STOP: Yes (using custom ramp factors)

• CUSTOMIZABLE CONSERVATISM: Yes (low/medium/high or custom wood

using slope factors)

• FREQUENCY INDICATOR FOR ASCENT/DESCENT DURING DIVING

• AUTOMATIC HEIGHT ADJUSTMENT

• NO FLY TIME

• DIVE PLANNER: Yes (basic decompression limit + multi-gas decompression planner)

• TIDE

• BACKGROUND LIGHT: Yes (configurable time and intensity, auto on at given depth)

• AUTOMATICALLY SAVES WHERE YOU START AND END THE DIVE

• CUSTOM COMPUTER SCREENSHOTS

• SYNC DIVE LOG TO GARMIN DIVE™ APP

• NOTIFICATIONS AND ALARMS: Sound and vibration alarms for ascent rate, partial pressure, central nervous system oxygen poisoning, decompression limit, decompression, gas exchange, tank pressure, gas consumption rate. Customizable (up to 40) sounds and/or vibrations per dive mode, based on depth or time

• DIVING COMPASS WITH 3 AXES: Yes (with adjustable steering course, quick change to 90 degrees right, 90 degrees left and reciprocal). Indicates degrees and direction back to specified steering course

• LOST DECOMPRESSION LOCK: Yes (can be disabled before dive with user confirmation)

• RESET GAS SUPERSATURATION: Yes (on surface with user confirmation)

• SURFACE DIVING STATUS WIDGET: Yes (Surface Interval, N2/HE Load, Central Nervous System Status, Oxygen Intoxication and Tissue Bubbles)

Swimming features

• NUMERICAL DATA FOR OPEN WATER SWIMMING (DISTANCE, PACE, NUMBER OF TAPES, PACE FOR TAPES, CALORIES)

• NUMERICAL DATA FOR SWIMMING IN THE POOL (LENGTHS, DISTANCE, PACE, NUMBER OF TOPS, PACE FOR TOPS, CALORIES)

• REGISTRATION OF TAIL TYPE (FREE, BACK, CHEST, BUTTERFLY)

• LOGGING OF EXERCISES

• BASIC REST PERIOD (UP FROM 0)

• "REPEAT ON" REST TIMER

• AUTOMATIC REST (POOL SWIMMING ONLY)

• TIME AND DISTANCE ALERT

• PACE ALERT (SWIMMING POOL ONLY)

• COUNTDOWN START

• SWIMMING SESSIONS

• IMPORTANT SWIMMING SPEED

• PULSE MEASUREMENT ON THE WRIST UNDER WATER

• HEART RATE FROM EXTERNAL HRM (REAL TIME MEASUREMENT DURING REST, INTERVAL AND SESSION STATISTICS DURING REST AND AUTOMATIC DOWNLOAD OF HEART RATE MEASUREMENT AFTER SWIMMING SESSION): Yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)

Generally

• WATCH GLASS MATERIAL: Sapphire glass

• FRAME MATERIAL: Titanium coated with diamond-like carbon (DLC)

• COVER MATERIAL: Fiber reinforced polymer with titanium back cover

• QUICKFIT™ WATCH STRAP COMPATIBLE: Yes (26mm)

• STRAP MATERIAL: Silicone or DLC-coated titanium

• SIZE, BXLXH 51 x 51 x 16.4 mm
Fits wrists with the following circumference:
- Silicone strap: 135–230 mm
- Extra long silicone strap: 135-355 mm
- Titanium bracelet: 135-220 mm

• WEIGHT:
- No straps: 77.8 g
- Silicone strap: 105.6 g
- Titanium strap: 165.9 g

• LEAK-PROOF INDUCTIVE BUTTONS

• SCREEN SIZE, BXH: 35.56 mm (1.4”) diameter

• SCREEN RESOLUTION, BXH: 454 x 454 pixels

• COLOR SCREEN

• BATTERY LIFE:
- Diving mode: up to 66 hours
- Diving mode with air integration: up to 40 hours
- Smart watch: up to 25 days (10 days in always-on mode)
- Battery saving mode for the watch: up to 31 days
- GPS only: up to 76 hours (56 hours in always-on mode)
- All satellite systems: up to 55 hours (43 hours in always-on mode)
- All satellite systems + multiband technology: up to 48 hours (38 hours in always-on mode)
- All satellite systems and music: up to 17 hours
- Maximum battery life in GPS mode: up to 118 hours
- GPS expedition mode: up to 24 days

• CHARGING METHOD: Garmin-patented charger with clamp

• MEMORY/HISTORY: 32 GB

Clock functions

• TIME/DATE

• GPS TIME SYNCHRONIZATION

• AUTOMATICALLY SET FOR SUMMER TIME

• ALARM CLOCK

• TIMETAKE

• STOPWATCH

• TIME OF SUNRISE/SUNSET

Monitoring of health and well-being

• PULSE MEASUREMENT ON THE WRIST (CONSTANT, EVERY SECOND)

• DAILY RESTING HEART RATE

• NOTIFICATION OF ABNORMAL PULSE: Yes (high and low)

• RESPIRATION RATE (24X7)

• PULSE OXYMETRY

• CONDITION AGE: Yes (in the app)

• BODY BATTERY™ ENERGY MEASUREMENT

• 24/7 STRESS MEASUREMENT

• RELAXATION TIMER FOR BREATHING

• BREATHING TRAINING

• SLEEP Yes: (advanced)

• HYDRATION: Yes (in Garmin Connect™)

• WOMEN'S HEALTH: Yes (in Garmin Connect™)

• IMAGE OF HEALTH

• JETLAG CONSULTING

Sensors

• GPS
• GLONASS
• GALILEO
• SATIQ™ TECHNOLOGY
• GARMIN ELEVATE™ HEART RATE MEASUREMENT ON THE WRIST
• PULSE OXYGEN ACCLIMATION
• BAROMETRIC ALTIMETER
• COMPASS
• GYROSCOPE
• ACCELERATION METER
•THERMOMETER
• LIGHT SENSOR
• DEPTH SENSOR

Daily smart functions

• CONNECTIVITY: Bluetooth®, ANT+®, Wi-Fi®, SubWave™
• CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS)
• CONNECT IQ™ STORE ON THE DEVICE
• SMART NOTIFICATIONS
• ANSWER OR REJECT CALLS WITH TEXT (ON ANDROID™ ONLY)
• SHOW PICTURES FROM NOTIFICATIONS ON THE WATCH (ANDROID™ ONLY)
• MORNING REPORT
• CALENDAR
• WEATHER REPORT
• REAL-TIME SETTINGS SYNC WITH THE GARMIN CONNECT™ MOBILE APP
• BATTERY SAVING MODE – CUSTOMIZABLE CLOCK WITH LOW POWER CONSUMPTION
• MUSIC CONTROL
• PLAYS MUSIC
• FIND MY PHONE
• FIND MY CLOCK FEATURE
• VIRB® REMOTE CONTROL
• SMART ROLL CONTROL
• COMPATIBLE WITH GARMIN CONNECT™ MOBILE
• COMPATIBLE WITH SMARTPHONES iPhone®, Android™
• SHARES
• RED LIGHT MODE

Activity profiles

• AVAILABLE GYM ACTIVITY PROFILES: Strength, HIIT, Cardio and Cross Training, Elliptical Training, Stair Walking, Rowing Machine

• MULTISPORT: Swimming/Running, Triathlon

• HEALTH: Walking, Pilates, Yoga

• INDOOR TRAINING: Running on a treadmill, Running on an indoor track, Virtual running

• OUTDOOR RUNNING: Running, Running on an outdoor track, Cross-country running, Ultra running

• OUTDOOR RECREATION PROFILES AVAILABLE: Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golf, Disc Golf, Archery

• AVAILABLE BIKE PROFILES: Cycling, Road Bike, Mountain Bike, Gravel Bike, Bike Commuter, Bike Tour, E-bike, E-bike on Terrain, Indoor Cycling, Cross-Cycle, BMX

• AVAILABLE SWIMMING PROFILES: Pool Swimming, Open Water Swimming

• ON THE LAKE: SUP Surfing, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Motor Boating, Sailing, Racing, Water Skiing, Wakeboarding, Wakesurfing, Bathing, Snorkeling, Sailing Expedition, River Rafting

• MOTOR SPORTS: Motorcycle driving, Overlanding, Motocross, Off-road driving, Snowmobile

• RACKET SPORTS: Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball

• SNOW AND WINTER: Skiing activities, Snowboarding, Off-piste snowboarding, Cross-country skiing, classic, Off-piste Alpine skiing, Ice skating, Snowshoeing

• SPORTS PROFILES: Basketball, Volleyball, Field Hockey, Ice Hockey, Soccer, American Football, Lacrosse, Rugby, Ultimate Freesbee, Cricket, Softball, Baseball

• IN THE RING: Boxing, Mma

• OTHER ACTIVITY PROFILES: Jumpmaster, Tactical

Security and tracking features

• EVENT REGISTRATION AT SELECTED ACTIVITIES
• EVENT REGISTRATION NOTIFICATIONS ON PHONES FOR SMART DEVICES
• HELP
• LIVE TRACK
• GROUP LIVE TRACK
• REAL-TIME SHARING OF ACTIVITIES

Tactical functions

• SNEAK MODE
• NIGHT MODE
• DOUBLE GRID COORDINATES
• KILL SWITCH
• XERO™ POSITIONS
• BALLISTICS CALCULATOR: Yes (requires unlock)

Game features

• GAME ACTIVITY
• COMPATIBLE WITH THE GAMEON™ APP

Maritime functions

• PRELOADED BOATING PROFILES: Motorboating, Sailing, Racing
• ANCHOR ALARM
• AUTOPILOT CONTROL
• STREAMING OF BOAT DATA CIQ
• VIRTUAL START LINE
• COUNTDOWN TIMER
• BUILDING GUIDANCE MODE
• BUILT-IN BAROMETER AND TIDE TABLES Yes (downloadable tides)
B• RESPECTABLE REMOTE CONTROL FOR TROLLING MOTOR

Activity tracking features

• STEP COUNTER
• MOTION NOTIFICATIONS (APPEARS ON THE DEVICE AFTER A PERIOD OF INACTIVITY – WAIT FOR A FEW MINUTES TO RESET IT)
• AUTOMATIC GOAL (LEARNS YOUR ACTIVITY LEVEL AND ASSIGNS A DAILY STEP TARGET)
• CALORIE CONSUMPTION
• FLOORS UP
• DISTANCE RECOVERED
• INTENSITY MINUTES
• TRUEUP™
• MOVE IQ™
• GARMIN CONNECT ™ CHALLENGE APP Yes (optional Connect IQ app)

Fitness equipment/studio

• TRAINING SESSIONS
• STRENGTH TRAINING
• HIIT WORKOUTS
• YOGA TRAINING
• PILATES TRAINING
• TRAINING ANIMATIONS ON THE SCREEN
• SCREEN OVERVIEW FOR STRENGTH TRAINING SESSIONS
• AUTOMATIC REPETITION COUNT

Functions for training, planning and analysis

• CUSTOMIZABLE DATA PAGES
• DOWNLOADABLE TRAINING PLANS
• TRAIL GUIDE
• PULSE ZONES
• PULSE ALERTS
• PULSE CALORIES
• % OF MAXIMUM PULSE
• % PULSE RESERVE
• THE REFUND ADVISOR
• AUTOMATIC REGISTRATION OF MAXIMUM HEART RATE
• RACE OVERVIEW/WIDGET
• PULSE VARIATION STATUS
• PULSE VARIATION STRESS TEST (CALCULATES YOUR STRESS LEVEL BY MEASURING • PULSE VARIATION WHILE STANDING STILL FOR THREE MINUTES. THE SCALE GOES FROM 1 TO 100 AND LOW MEASUREMENTS INDICATE A LOW STRESS LEVEL) Yes (with compatible accessories)
• PULSE TRANSMISSION (SENDS PULSE DATA VIA ANT+™ TO PAIRED DEVICES)
• RESPIRATORY RATE (DURING EXERCISE): Yes (with compatible accessories)
• GPS SPEED AND DISTANCE
• CUSTOMIZABLE ACTIVITY PROFILES
• AUTO PAUSE®
• INTERVAL TRAINING
• IMPROVED INTERVAL (INCLUDES OPEN REPETITIONS, INTERVAL DATA PAGE, REFUND SCREEN AND AUTO RECORD)
• ADVANCED TRAINING SESSIONS
• POWER MODE – CUSTOMIZABLE BATTERY SETTINGS DURING ACTIVITIES
• HRM RACE PACE AND DISTANCE
• AUTO LAP®
• MANUAL ROUNDS
• REST TAKER
• CONFIGURABLE ROUND ALERTS
• HEAT AND ALTITUDE ACCLIMATIZATION
• FITNESS CALCULATION (RUNNING)
• FITNESS CALCULATION (CROSS RUNNING)
• REAL-TIME ENDURANCE
• ENDURANCE POINT TOTAL
• LOAD RATIO
• TRAINING LOAD
• FOCUS FOR TRAINING LOAD
• TRAINING EFFECT
• TRAINING EFFECT (ANAEROBIC)
• MAIN BENEFIT (EXERCISE EFFECT LABELS)
• CUSTOMIZABLE NOTIFICATIONS
• SOUND ALERT
• END TIME
• VIRTUAL PARTNER
• VIRTUAL RACER™
• AUTOMATIC MULTI-SPORT ACTIVITIES
•MANUAL MULTISPORT ACTIVITIES
• GARMIN LIVE SEGMENTS
• STRAVA FEATURES (BEACON, REAL-TIME SEGMENTS)
• COURSE CREATION PROGRAM (RUNNING/CYCLING)
•TRENDLINE™ POPULARITY ROUTING
• TOUCH AND/OR KEY LOCK
• HOLD KEYS
• BROWSE AUTOMATICALLY
• ACTIVITY LOG ON THE WATCH
• PHYSIO TRUEUP
• UNIFORM TRAINING STATUS

Running functions

• AVAILABLE RUNNING PROFILES: Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Terrain Running, Virtual Running, Ultra Running
• GPS-BASED DISTANCE, TIME AND PACE
• RACE DYNAMICS
• VERTICAL OSCILLATION AND RATIO
• BALANCE AND TIME WITH GROUND CONTACT
•STEP LENGTH (REAL TIME)
•CADENCE (SHOWS THE NUMBER OF STEPS PER MINUTE IN REAL TIME)
• RUNNING POWER
• HEIGHT ADJUSTED TEMPO
•PERFORMANCE CONDITION
• LACTIC ACID THRESHOLD: Yes (with compatible accessories)
• PACEPRO™ PACE STRATEGIES
• RUNNING SESSION
•GROUND SCORE TOTAL
• AUTOMATIC ASCENT DURING TERRAIN RUNNING
• NOTICE OF COMPETITION
• TRACK AND WEATHER SPECIFIC RACE CALCULATION
• SPEED AND STEP RATE SENSOR SUPPORT (WITH SENSOR)
• RUN/WALK/REST RECORDING

Golf features

• PRELOADED WITH 43,000 TRACKS FROM AROUND THE WORLD
• LENGTH MEASUREMENT TO F/M/B (DISTANCE TO FRONT, MIDDLE AND REAR PART OF THE BRANCH)
• LENGTH MEASUREMENT FOR LAYUPS/DOGLEGS
• MEASURES THE SHOT DISTANCE (CALCULATING ACCURATE LENGTH OF HIT FROM • • ANY POSITION ON THE COURSE) Automatic
• DIGITAL SCORECARD
• CUSTOM MEASURES
• RECORDING OF STATISTICS (STROKE, PUTTING PER ROUND, AVERAGE • • STROKE LENGTH AND STROKE ON GREEN AND FAIRWAY)
• GARMIN AUTOSHOT™
• COMPLETE VECTOR MAP
• AUTOMATIC COURSEVIEW UPDATES
• BRANCH DISPLAY WITH MANUAL FLAG POSITIONING
• OBSTACLES AND COURSE GOALS
• PINPOINTERS
• PLAYSLIKE DISTANCE
• PRESS THE TARGET (PRESS THE TARGET ON THE SCREEN TO SEE THE DISTANCE TO A POINT)
• SCORE CALCULATION WITH DISABILITY
• TEMPO TRAINING (AUDIBLE TONES CONVEY THE IDEAL RATIO OF 3:1 • BETWEEN BACKSWING AND DOWNSWING)
• LAP TIMER/KILOMETER
• CAN TRACK CLUBS AUTOMATICALLY (REQUIRES ACCESSORIES)
• WIND STRENGTH AND WIND DIRECTION (REQUIRES CONNECTION TO THE GOLF APP)
• VIRTUAL CADDY
• CAN BE PAIRED WITH THE GARMIN GOLF APP
• ALLOWED TO BE USED IN TOURNAMENTS
• BRANCH CONTOURS (WITH GARMIN GOLF MEMBERSHIP)

Outdoor and leisure functions

• A-TO-B NAVIGATION
• BREAD CRUMB PATH IN REAL TIME
• BACK TO START
• TRACBACK®
• ULTRATRAC MODE
• AROUND ME MODE
• REFERENCE POINT
• FURTHER PROGRESS
• NEXTFORK™ NAVIGATION
• HEIGHT PROFILE
• DISTANCE TO DESTINATION
• BAROMETRIC TREND INDICATOR
• CLIMBPRO™ CLIMB PLANNER
• VERTICAL SPEED
• TOTAL ASCENT/DESCENT
• REST TIMER (ULTRA RUN ONLY)
• AUTOMATIC REST REGISTRATION
• FUTURE RISE PLOT
• PRELOADED ROAD AND TRACK MAPS
• PRELOADED SKI SITE MAPS
• SUPPORT FOR DOWNLOADABLE MAPS
• GPS COORDINATES
• SIGHT 'N GO
• AREA CALCULATION Yes (via Connect IQ™)
•FISHING ALERT
• PROJECTED WAYPOINT
• INFORMATION ABOUT THE SUN AND MOON
• EXPEDITION GPS ACTIVITY
• TIDE
• TIDE SURVEY

Bicycle functions

• TRACKS (COMPETE AGAINST PREVIOUS ACTIVITIES)
• BIKE LAP AND MAXIMUM LAP FORCE (WITH FORCE SENSOR)
• COMPETING WITH AN ACTIVITY
•TIME/DISTANCE NOTIFICATION (TRIGGES ALARM WHEN YOU REACH THE TARGET)
• FUNCTIONAL THRESHOLD POWER (FTP) Yes (with compatible accessories)
• WATT CURVE AND % FTP TRAINING SESSIONS
• GARMIN CYCLING MAPS (ROUTABLE STREET MAPS FOR CYCLING)
• MTB DIFFICULTY LEVEL AND FLOW
• ADVANCED CYCLE DYNAMICS
• COMPATIBLE WITH VECTOR™ AND RALLY™ (WATT METER)
• 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 (DISPLAYS POWER DATA FROM COMPATIBLE THIRD PARTY ANT+™ ENABLED POWER METER)
• WATT GUIDE

Child tracking features

• TOE-TO-TOE™ CHALLENGE APP Yes (optional Toe-to-Toe™ Challenge App from Connect IQ)
• USER MANUALS
•SOFTWARE
• FREQUENTLY ASKED QUESTIONS