Garmin Descent Mk3 43mm Dive Computer

This is the Garmin Descent Mk3 43mm Dive Computer

Features:

• 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.
• YOU’RE A DIVER UNDERNEATH Land or sea, this compact dive computer is built for both of your worlds.
• 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.
• CUSTOMIZABLE DIVE MODES Add additional screens for each dive mode that features the fields you want to see.
• DIVE LOG This feature automatically syncs with the Garmin Dive app on your compatible smartphone, allowing you to share and review data, track gear, post photos, take notes and more.
• DIVE-FOCUSED DESIGN With its bright 1.2” AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.
• LONG BATTERY LIFE Stay in the water longer with up to 30 hours in dive mode plus up to 10 days in smartwatch mode.
• 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.
• SURFACE GPS Track your entry and exit points on the surface with advanced satellite connectivity.
• 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 devices1 and the inReach dive case for satellite messaging off-grid.
• 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 spots2.
• 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 rate3 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 altitude4.
• 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 quality3.
• WOMEN’S HEALTH TRACKING Track and log your menstrual cycle or pregnancy to get exercise and nutrition education.
• 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.
• 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 location5.
• 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.

This advanced dive computer and smartwatch, sized for smaller wrists, 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.

Specs

• BATTERY LIFE (SMARTWATCH MODE) Up to 10 days (4 days always-on)
• DISPLAY TYPE AMOLED TOUCHSCREEN
• WATER RATING Dive (200 meters)
• SLEEP SCORE AND INSIGHTS - YES
• TRAINING READINESS - YES
• TRAINING STATUS yes (improved)
• DAILY SUGGESTED WORKOUTS yes (improved)
• MULTI-BAND GPS - YES
• BUILT-IN MAPPING - YES
• GARMIN PAY™ - YES
• MUSIC STORAGE - YES
• LENS MATERIAL - sapphire crystal
• BEZEL MATERIAL - stainless steel
• CASE MATERIAL fiber - reinforced polymer with stainless steel rear cover
• QUICKFIT™ WATCH BAND COMPATIBLE - yes (20 mm)
• STRAP MATERIAL - silicone
• PHYSICAL SIZE - 43 x 43 x 14.15 mm, Fits wrists with the following circumference,  Silicone band: 128-224 mm, Extra long silicone band: 128-360 mm.
• WEIGHT - no band: 53.5 g, silicone band: 72.5 g
• LEAKPROOF INDUCTIVE BUTTONS - Yes
• DISPLAY SIZE 1.2” (30.4 mm) diameter
• DISPLAY RESOLUTION 390 x 390 pixels
• COLOR DISPLAY - Yes
• BATTERY LIFE - Smartwatch: Up to 10 days (4 days always-on), Battery Saver Watch Mode: Up to 12 days, GPS Only: Up to 28 hours (22 hours always-on ), All Satellite Systems: Up to 20 hours (16 hours always-on), All Satellite Systems + Multi-band: Up to 17 hours (14 hours always-on), All Satellite Systems + Music: Up to 6 hours, Max Battery GPS: Up to 44 hours, Expedition GPS: Up to 10 days, Dive Mode: Up to 30 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
• DAILY RESTING HEART RATE - Yes
• ABNORMAL HEART RATE ALERTS - yes (high and low)
• RESPIRATION RATE (24X7)
• PULSE OX BLOOD OXYGEN SATURATION
  FITNESS AGE - yes (in app)
• BODY BATTERY™ ENERGY MONITOR - Yes
• ALL-DAY STRESS - Yes
• RELAXATION BREATHING TIMER - Yes
• BREATHWORK - Yes
• SLEEP yes (advanced) - Yes
• HYDRATION yes (in Garmin Connect™) - Yes
• WOMEN'S HEALTH yes (in Garmin Connect™) - Yes
• HEALTH SNAPSHOT - 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, WIDGETS 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
• VIRB® REMOTE - Yes
• SMART TRAINER CONTROL - Yes
• PAIRS WITH GARMIN CONNECT™ MOBILE - Yes
• SMARTPHONE COMPATIBILITY iPhone®, Android™
• STOCKS - Yes
• RED SHIFT MODE - Yes

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 - Yes
• INCIDENT DETECTION ALERT ON PHONE FOR - Yes
• WEARABLES - Yes
• ASSISTANCE - Yes
• LIVETRACK - Yes
• GROUP LIVETRACK - Yes
• LIVE EVENT SHARING - Yes

Tactical Features 

• STEALTH MODE - Yes
• NIGHT VISION MODE - Yes
• DUAL GRID COORDINATES - Yes
• KILL SWITCH - Yes
• XERO™ LOCATIONS - Yes
• BALLISTICS SOLVER yes (unlock required)

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
  
• DECOMPRESSION MODEL Bühlmann ZHL-16c with gradient factors
  
• NITROX SUPPORT  - Yes
  
• TRIMIX SUPPORT  - Yes
  
• 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
• 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
• AUTOMATIC ALTITUDE ADJUSTMENT
• 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
• CUSTOM DIVE DATA SCREENS  - Yes
  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 - 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

Gym & Fitness Equipment

• 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
• 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)
• 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 - Yes
• HRM RUNNING PACE AND DISTANCE - Yes
• AUTO LAP® - 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
• CUSTOM ALERTS- Yes
• AUDIO PROMPTS- Yes
• FINISH TIME- Yes
• VIRTUAL PARTNER- Yes
• RACE AN ACTIVITY- Yes
• AUTO MULTISPORT ACTIVITIES - 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
• HOT KEYS - Yes
• AUTO SCROLL - Yes
• ACTIVITY HISTORY ON WATCH - Yes
• PHYSIO TRUEUP - Yes
• UNIFIED TRAINING STATUS - Yes

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 - 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
• 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 - Yes
• 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
• 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 - Yes 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
  
• AROUND ME MODE  - 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)  - Yes
• 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
• 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 
• 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)

 Garmin Descent Mk3 USER MANUALS

 Garmin Descent Mk3  SOFTWARE