Here’s a comparison of the current Garmin watch models: Instinct 2 Solar Surf, Descent G1, G1 Solar, Mk2S, Mk2 and quatix 7x Solar. Learn which Garmin aquatic smartwatch is the right watch for you!

aquatic compareInstinct 2/2s Solar – Surf Edition
Descent G1
Descent G1 Solar
Descent Mk2S
Descent Mk2 & Mk2i
quatix 7x Solar
Lens materialPower Glass™sapphire crystalPower Glass™sapphire crystalsapphire crystalPower Sapphire™
Bezel material fiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymerstainless steelStainless Steel or Diamond-like Carbon (DLC) coated titaniumtitanium
Case materialfiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymer with metal rear coverfiber-reinforced polymer with titanium rear cover
QuickFit watch band compatibleâś…
2: 22 mm
2S: 20 mm
âś… (22 mm)âś… (22 mm)âś… (20 mm)âś… (26 mm)âś… (26 mm)
Strap materialSiliconeSiliconeSiliconeSiliconeSilicone or Titaniumtitanium and silicone included
Water rating10 ATMDive (100 meters)Dive (100 meters)Dive (100 meters)Dive (100 meters)10 ATM
Physical size 2:45 x 45 x 14.2 mm
Fits wrists with a circumference of 135-230 mm
2s: 40 x 40 x 13.3 mm
Fits wrists with a circumference of 112-180 mm
45.5 x 45.5 x 15.2 mm
Silicone Band: 128-224 mm
Extra Long Silicone Band: 128-373 mm
45.5 x 45.5 x 15.2 mm
Silicone Band: 128-224 mm
Extra Long Silicone Band: 128-373 mm
43 x 43 x 14.15 mm 
Fits wrists with the following circumference:
Silicone band: 128-224 mm
Extra long silicone band: 126-360 mm
52 x 52 x 17.8 mm
Fits wrists with the following circumference:
Silicone band: 135-230 mm
Extra long silicone band: 135-355 mm
51 x 51 x 14.9 mm
Fits wrists with the following circumference: 
Silicone band: 127-210 mm
Leather and fabric band: 135-213 mm
Metal band: 135-225 mm
Display type monochrome, sunlight-visible, transflective memory-in-pixel (MIP)monochrome, sunlight-visible, transflective memory-in-pixel (MIP)monochrome, sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)
Display size 2: custom, two-window design; 0.9” x 0.9” (23 x 23 mm)
2s: custom, two-window design; 0.79” x 0.79” (20 x 20 mm)

custom, two-window design: 0.9” x 0.9” (23 x 23 mm)
custom, two-window design: 0.9” x 0.9” (23 x 23 mm)1.2” (30.4 mm) diameter1.4” (35.56 mm) diameter1.4” (35.56 mm) diameter
Display resolution 2: 176 x 176 pixels
2s: 156 x 156 pixels (active area)
176 x 176 pixels176 x 176 pixels240 x 240 pixels280 x 280 pixels280 x 280 pixels
Color display ❌❌❌✅✅✅
LED flashlight❌❌❌❌❌✅
Memory/ History32 MB32 MB32 MB32 GB32 GB32 GB
Battery life Smartwatch: Up to 28/21 days, Unlimited/51 days with solar with solar*
Battery Saver Watch Mode: Up to 65/50 days/Unlimited with solar*
GPS: Up to 30/22 hours, 48/28 hours with solar**
Max Battery GPS Mode: Up to 70/54 hours, 370/114 hours with solar**
Expedition GPS Activity: Up to 32/25 days, Unlimited/105 days with solar*
Dive Mode: Up to 25 hours
Smartwatch: Up to 21 days
Battery Saver Watch Mode: Up to 48 days
GPS: Up to 26 hours
Max Battery GPS Mode: Up to 56 hours
Expedition GPS Activity: Up to 27 days
Dive Mode: Up to 25 hours
Smartwatch: Up to 21 days/4 months with solar *
Battery Saver Watch Mode: Up to 48 days/Unlimited with solar*
GPS: Up to 26 hours/39 hours with solar **
Max Battery GPS Mode: Up to 56 hours/205 hours with solar**
Expedition GPS Activity: Up to 27 days/Unlimited with solar*
Smartwatch: Up to 7 days
Battery Saver Watch Mode: Up to 21 days
GPS: Up to 18 hours
GPS + Music: Up to 6 hours 
Max Battery GPS Mode: Up to 32 hours
Dive mode: Up to 30 hoursCharging methodGarmin proprietary clip chargerGarmin proprietary clip chargerGarmin proprietary clip chargerMemory/History32 MB32 MB32 GB
Smartwatch: Up to 16 days
Battery Saver Watch Mode: Up to 50 days
GPS: Up to 48 hours
GPS + Music: Up to 15 hours
Max Battery GPS Mode: Up to 96 hours
Dive mode: Up to 80 hours
Dive mode with Descent T1: Up to 32 hours
Expedition GPS Activity: up to 35 days
Smartwatch: Up to 28 days/37 days with solar*
Battery Saver Watch Mode: Up to 90 days/1+ year with solar*
GPS Only: Up to 89 hours/122 hours with solar**
All Satellite Systems: Up to 63 hours/77 hours with solar*
All Satellite Systems + Multi-band: Up to 38 hours/42 hours with solar**
All Satellite Systems + Music: Up to 16 hours
Max Battery GPS: Up to 213 hours/578 hours with solar**
Expedition GPS: Up to 62 days/139 days with solar*
Clock Features
Time/dateâś…âś…âś…âś…âś…âś…
GPS time sync âś…âś…âś…âś…âś…âś…
Automatic daylight savings timeâś…âś…âś…âś…âś…âś…
Alarm clock âś…âś…âś…âś…âś…âś…
Timer âś…âś…âś…âś…âś…âś…
Stopwatch âś…âś…âś…âś…âś…âś…
Sunrise/sunset times âś…âś…âś…âś…âś…âś…
Maps & Memory
Basemap❌❌❌✅✅✅
Preloaded topographical maps ❌❌❌✅✅✅
Preloaded ski resort maps ❌❌❌✅✅✅
Downloadable cartography support ❌❌❌✅✅✅
Sensors
GPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/Galileo
Multi-frequency Positioning❌❌❌❌❌✅
Garmin elevate wrist heart rate monitor âś…âś…âś…âś…âś…âś…
Accelerometerâś…âś…âś…âś…âś…âś…
Barometric Altimeterâś…âś…âś…âś…âś…âś…
Compass âś…âś…âś…âś…âś…âś…
Gyroscope ❌✅❌✅✅✅
Thermometerâś…âś…âś…âś…âś…âś…
Depth sensors❌✅✅✅✅❌
Pulse Oxâś…âś…âś…âś…âś… (with acclimation)âś…
Health Monitoring
Wrist-band heart rate (constant, every second)âś…âś…âś…âś…âś…âś…
Daily resting heart rate âś…âś…âś…âś…âś…âś…
Abnormal heart rate alerts âś… (High and Low)âś… (High and Low)âś… (High and Low)âś… (High and Low)âś… (High and Low)âś… (High and Low)
Respiration rate (24×7)âś… âś… âś… âś… âś…âś…
Pulse Ox Blood oxygen saturation âś… (spot-check, during sleep, all day)âś… (spot-check, during sleep, all day)âś… (spot-check, during sleep, all day)âś… (spot-check, and optional all-day acclimation and in sleep)âś… (spot-check, and optional all-day acclimation and in sleep)âś… (spot-check, and optional all-day acclimation and in sleep)
Fitness age âś…âś…âś…âś…âś… (in app)âś… (in app)
Body Battery energy monitor âś…âś…âś…âś…âś…âś…
All-day stress tracking âś…âś…âś…âś…âś…âś…
Relaxation reminders âś…âś…âś…âś…âś…âś…
Relaxation breathing timer âś…âś…âś…âś…âś…âś…
Sleep monitoring âś… (with Sleep score and insights)âś… (with Sleep score and insights)âś… (with Sleep score and insights)âś… (with Sleep score and insights)âś…âś… (with Sleep score and insights)
Hydrationâś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect™ and optional Connect IQ™ widget)
Women’s Health tracking âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect)âś…  (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshot✅✅✅❌❌✅
Daily Smart Features
Connectivity Bluetooth®, ANT+®Bluetooth®, ANT+®Bluetooth®, ANT+®Bluetooth®, ANT+®, Wi-Fi®Bluetooth®, ANT+®, Wi-Fi®, Subwave in Mk2iBluetooth®, ANT+®, Wi-Fi®
Connect IQ (downloadable watch faces, data fields, widgets and apps)âś…âś…âś…âś…âś…âś…
On-device Connect IQ Store❌❌❌❌❌✅
Text response /reject phone call with text âś…âś…âś…âś…âś…âś…
Calendar âś…âś…âś…âś…âś…âś…
Weatherâś…âś…âś…âś…âś…âś…
Battery Saver- customizable low power watch âś…âś…âś…âś…âś…âś…
Controls smartphone music âś…âś…âś…âś…âś…âś…
Plays and controls watch music ❌❌❌✅✅✅
Music storage ❌❌❌✅Up to 2,000 songsUp to 2,000 songs
Find My Phone âś…âś…âś…âś…âś…âś…
Find My Watch âś…âś…âś…âś…âś…âś…
VIRB Camera remote âś…âś…âś…âś…âś…âś…
Smartphone compatibilityiPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™
Compatible with Garmin Connect Mobileâś…âś…âś…âś…âś…âś…
Garmin Pay âś…âś…âś…âś…âś…âś…
Activity Tracking Features
Step counterâś…âś…âś…âś…âś…âś…
Move bar (displays on device after a period pf inactivity; walk for a couple of minuets to reset it)âś…âś…âś…âś…âś…âś…
Auto goal (Learns your activity level and assigns a daily step goal)âś…âś…âś…âś…âś…âś…
Calories burned âś…âś…âś…âś…âś…âś…
Floors climbed âś…âś…âś…âś…âś…âś…
Distance traveled âś…âś…âś…âś…âś…âś…
Intensity minuets âś…âś…âś…âś…âś…âś…
TrueUp âś…âś…âś…âś…âś…âś…
Move IQâś…âś…âś…âś…âś…âś…
Safety and Tracking Features
Live track âś…âś…âś…âś…âś…âś…
Group LiveTrack ❌❌❌✅✅✅
Live event sharing ❌❌❌✅✅✅
Incident detection during select activitesâś…âś…âś…âś…âś…âś…
Assistanceâś…âś…âś…âś…âś…âś…
Fitness Equipment
Available gym activity profiles trength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, YogaStrength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, YogaStrength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
Cardio workoutsâś…âś…âś…âś…âś…âś…
Strength workouts âś…âś…âś…âś…âś…âś…
HIIT workouts✅✅✅❌❌✅
Yoga workouts âś…âś…âś…âś…âś…âś…
Pilates Workouts âś…âś…âś…âś…âś…âś…
On-screen workout animations❌❌❌✅✅✅
Automatic rep counting âś…âś…âś…âś…âś…âś…
Training, planning and Analysis Features
GPS speed and distance âś…âś…âś…âś…âś…âś…
Customizable data pages âś…âś…âś…âś…âś…âś…
Customizable activity profiles âś…âś…âś…âś…âś…âś…
Auto pause âś…âś…âś…âś…âś…âś…
Interval training âś…âś…âś…âś…âś…âś…
Advanced workoutsâś…âś…âś…âś…âś…âś…
Downloadable training programs âś…âś…âś…âś…âś…âś…
Power modes – customizable in-activity battery settingsâś…âś…âś…âś…âś…âś…
Auto Lap âś…âś…âś…âś…âś…âś…
Manual lap âś…âś…âś…âś…âś…âś…
Configure lap alerts âś…âś…âś…âś…âś…âś…
Heat and altitude acclimation âś…âś…âś…âś…âś…âś…
VO2 max âś…âś…âś…âś…âś…âś…
Training status âś…âś…âś…âś…âś…âś…
Training load âś…âś…âś…âś…âś…âś…
Training effect (aerobic) âś…âś…âś…âś…âś…âś…
Training effect (anaerobic) âś…âś…âś…âś…âś…âś…
Customizable alerts âś…âś…âś…âś…âś…âś…
Audio prompts âś…âś…âś…âś…âś…âś…
Finish time âś…âś…âś…âś…âś…âś…
Virtual Partner âś…âś…âś…âś…âś…âś…
Race an Activity âś…âś…âś…âś…âś…âś…
Manual multisport activitiesâś…âś…âś…âś…âś…âś…
Auto multisport activities âś…âś…âś…âś…âś…âś…
Course guidance âś…âś…âś…âś…âś…âś…
Segments ❌❌❌✅✅✅
Strava features (beacon, live segments) ❌❌❌✅✅✅
Round-trip course creator ❌❌❌✅✅✅
Touch and/or button lock âś…âś…âś…âś…âś…âś…
Hot keys âś…âś…âś…âś…âś…âś…
Auto scroll âś…âś…âś…âś…âś…âś…
Activity history on watch âś…âś…âś…âś…âś…âś…
Heart Rate Features
HR zones âś…âś…âś…âś…âś…âś…
HR alerts âś…âś…âś…âś…âś…âś…
HR calories âś…âś…âś…âś…âś…âś…
% HR max âś…âś…âś…âś…âś…âś…
% HRR âś…âś…âś…âś…âś…âś…
Recovery time âś…âś…âś…âś…âś…âś…
Auto max HRâś…âś…âś…âś…âś…âś…
HRV stress test ❌❌❌✅ (with compatible accessories)✅ (with compatible accessories)✅ (with compatible accessories)
Records heart rate while swimming âś… âś… âś… âś… (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)âś… (with HRM-Tri and HRM-Swim)âś… (with HRM-Tri and HRM-Swim)
HR broadcasts (broadcasts HR data over ANT+ to paired devices) âś…  (using ANT+)âś…  (using ANT+)âś…  (using ANT+)âś…âś…âś…
Respiration rate (during exercise) âś…âś…âś…âś…âś…âś… (with compatible accessory)
Running Features
Available run profiles Running, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail Running, Virtual RunningRunning, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running
GPS-based distance, time and pace âś…âś…âś…âś…âś…âś…
Running dynamics âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessory)
Vertical oscillation and ratiode lengthâś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessory)
Ground contact time and balance âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessory)
Stride length (real time) âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessories)âś… (with compatible accessory)
Cadance (provides real-time number of steps per minuete)âś… (with compatible accessories)âś…âś… âś…âś…âś…
Performance condition âś…âś…âś…âś…âś…âś…
Lactate threshold âś… (with compatible accessory)âś… (with compatible accessory)âś… (with compatible accessory)âś… (with compatible accessory)âś… (with compatible accessory)âś… (with compatible accessory)
PacePro Pacing Strategies ❌❌❌✅✅✅
Run Workouts âś…âś…âś…âś…âś…âś…
Race predictor âś…âś…âś…âś…âś…âś…
Foot pod capable âś…âś…âś…âś…âś…âś…
Golfing Features
Preloaded with 42,000 courses worldwide ❌❌❌✅✅✅
Yardage to F/M/B, layups/doglegs, Measures shot distance, Digital scorecard & more âś…âś…âś…âś…âś…âś…
Full vector map ❌❌❌✅✅✅
Yardage to layups/doglegsâś…âś…âś…âś…âś…âś…
Measure shot distance (calculates exact yardage for shots from anywhere on course) manualmanualmanualAutomatic âś…Automatic
Digital Scorecard âś…âś…âś…âś…âś…âś…
Custom targets ❌❌❌✅✅✅
Stat tracking (strokes, putts per round, greens and fairways hit)âś…âś…âś…âś…âś…âś…
Garmin Autoshot ✅❌❌✅✅✅
Auto courseview updatesâś…âś…âś…âś…âś…âś…
Green view with manual pin position âś…âś…âś…âś…âś…âś…
Hazards and course targets âś…âś…âś…âś…âś…âś…
Truswing compatible❌❌❌✅✅✅
Pinpointer❌✅✅✅✅✅
PlaysLike distance ❌❌❌✅✅✅
Handicap scoring❌❌❌✅✅✅
Round timer/odometerâś…âś…âś…âś…âś…âś…
Automatic club tracking compatible (requires accessory) âś…âś…âś…âś…âś…âś…
Tournament legal✅✅✅❌❌✅
Outdoor Recreation Features
Available outdoor recreation profilesHiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowshoeing, Horseback Riding, Jumpmaster, Tennis, Pickleball, TacticalHiking, Indoor and Outdoor Climbing, Bouldering, Surfing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowshoeing, Jumpmaster, Tennis, Pickleball, Tactical
Point-to-point navigationâś…âś…âś…âś…âś…âś…
Bread crumb trail in real time âś…âś…âś…âś…âś…âś…
TracBackâś…âś…âś…âś…âś…âś…
UltraTrac mode âś…âś…âś…âś…âś…âś…
Around me mode ❌❌❌✅✅✅
Up Ahead❌❌❌❌❌✅
Elevation profileâś…âś…âś…âś…âś…âś…
Distance to destination âś…âś…âś…âś…âś…âś…
ClimbPro ascent planner ❌❌❌✅✅✅
Trail run auto climb âś…âś…âś…âś…âś…âś…
Vertical speed âś…âś…âś…âś…âś…âś…
Total ascent/decent âś…âś…âś…âś…âś…âś…
Future elevation plotâś…âś…âś…âś…âś…âś…
Projected waypointâś…âś…âś…âś…âś…âś…
Sight N’ Go âś…âś…âś…âś…âś…âś…
Area Calculations âś…âś…âś…âś…âś… (via Connect IQ)âś… (via Connect IQ)
Hunt/fish calendar ❌❌❌✅ (via Connect IQ)✅ (via Connect IQ)✅ (via Connect IQ)
Sun and moon information âś…âś…âś…âś… (via Connect IQ)âś… (via Connect IQ) âś… (via Connect IQ)
Dual grid coordinatesâś…âś…âś…âś…âś…âś…
Expedition GPS Activityâś…âś…âś…âś…âś…âś…
XERO locations âś…âś…âś…âś…âś…âś…
Cycling Features
Available cycling profiles Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, TriathlonBiking, Road Biking, Mountain Biking, Gravel Biking, Cyclocross, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor BikingBiking, Road Biking, Mountain Biking, Gravel Biking, Cyclocross, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor BikingBiking, Indoor Biking, Mountain Biking, TriathlonBiking, Indoor Biking, Mountain Biking, TriathlonBiking, Indoor Biking, Mountain Biking, Triathlon
Courses âś…âś…âś…âś…âś…âś…
MTB Grit & Flowâś…âś…âś…âś…âś…âś…
Bike lap and lap maximum power (with power sensors)âś…âś…âś…âś…âś…âś…
Race an activity âś…âś…âś…âś…âś…âś…
Time/distance alerts (trigger alarm when you reach goal) âś…âś…âś…âś…âś…âś…
FTP (Functional Threshold Power) âś…âś…âś…âś…âś… (with compatible accessory)âś… (with compatible accessory)
Garmin Cycle Map (routable cycling-specific street map)❌❌❌✅✅✅
Compatible with Vector and Rally (power meter) âś…âś…âś…âś…âś…âś…
Power meter compatible âś…âś…âś…âś…âś…âś…
Advanced Vector support ❌❌❌✅✅❌
Compatible with Varia vision ❌❌❌✅✅✅
Compatible with Varia radar âś…âś…âś…âś…âś…âś…
Compatible with Varia Lights âś…âś…âś…âś…âś…âś…
Speed and cadence sensor support ✅✅✅✅✅ (ANT+® and Bluetooth® Smart sensors)✅
Swimming Features
Available swim profilesPool Swimming, Open Water SwimmingPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/Running
Open-water swim metrics(distance, pace, stroke, count/rate, stroke distance, swim efficiency, calories) âś…âś…âś…âś…âś…âś…
Pool swim metrics(stroke, type detection, SWOLF, drill Logging, Open water workouts)âś…âś…âś…âś…âś…âś…
Stroke Type Detection (freestyle, backstroke, breaststroke, butterfly) (POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
Drill Logging(POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
Basic rest timer (up from 0)(POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
“Repeat On” rest timer(POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
Auto rest (POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
Time & distance alerts âś…âś…âś…âś…âś…âś…
Pacing Alerts (POOL SWIM ONLY)❌❌❌✅✅✅
Countdown start (POOL SWIM ONLY)âś…âś…âś…âś…âś…âś…
Pool swim workoutsâś…âś…âś…âś…âś…âś…
Critical swim speed ❌❌❌✅✅✅
Underwater wrist-based heart rate âś…âś…âś…âś…âś…âś…
Heart Rate from external HRMâś…âś…âś…âś…âś… (with HRM-Tri™ and HRM-Swim™)âś… (with HRM-Tri™, HRM-Swim™ and HRM-Pro™)
Boating Features
Available boating profiles ❌BoatingBoatingBoatingBoatingBoating, Sailing, Sail Racing
Anchor alarm ❌❌❌❌❌✅
Autopilot Control ❌❌❌❌❌✅
Boat data streaming ❌❌❌❌❌✅
Virtual starting line ❌❌❌❌❌✅
Countdown timer ❌❌❌❌❌✅
Track assist mode ❌❌❌❌❌✅
Built-in barometer and tide tables❌✅✅✅✅✅ (downloadable tides)
Diving Features
Dive activity maximum operating depth ❌100 meters100 meters100 meters100 meters ❌
Single-gas mode ❌✅✅✅✅❌
Multi-gas mode ❌✅✅✅✅❌
Gauge mode ❌✅✅✅✅❌
APNEA mode❌✅✅✅✅❌
APNEA hunt mode❌✅✅✅✅❌
Decompression model❌Bühlmann ZHL-16c with gradient factorsBühlmann ZHL-16c with gradient factorsBühlmann ZHL-16c with gradient factorsBühlmann ZHL-16c with gradient factors❌
Nitrox support❌✅✅✅✅❌
Trimix support❌✅✅✅✅❌
Closed circuit rebreather❌✅✅✅✅❌
Gas mixes ❌Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.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 settingUp to 2.0 with customizable deco PO2 settingUp to 2.0 with customizable deco PO2 settingUp to 2.0 with customizable deco PO2 setting❌
Subwave support❌❌❌❌in Mk2i❌
Air integration ❌❌❌❌via Subwave in in Mk2i❌
Number of Transmitters supported❌❌❌❌5 in Mk2i❌
Gas time remaining❌❌❌❌in Mk2i❌
Gas consummation rate ❌❌❌❌in Mk2i❌
Auto start/end dive ❌✅✅✅✅❌
Custom end-dive timeout❌✅ (20s to 10 m)✅ (20s to 10 m)✅ (20s to 10 m)✅ (20s to 10 m)❌
Safety stop ❌✅ (customizable off/3min/5min)✅ (customizable off/3min/5min)✅ (customizable off/3min/5min)✅ (customizable off/3min/5min)❌
Deep stops ❌✅ (using custom gradient factors)✅ (using custom gradient factors)✅ (using custom gradient factors)✅ (using custom gradient factors)❌
Customizable conservatism❌✅ (low/medium/high or custom using gradient factors)✅ (low/medium/high or custom using gradient factors)✅ (low/medium/high or custom using gradient factors)✅ (low/medium/high or custom using gradient factors)❌
Dive ascent/decent rate indicator ❌✅✅✅✅❌
Automatic altitude adjustment❌✅✅✅✅❌
No fly time❌✅✅✅✅ (with 24hr countdown)❌
Dive Planner❌✅ (basic NDL + multi-gas deco planner)✅ (basic NDL + multi-gas deco planner)✅ (basic NDL + multi-gas deco planner)✅ (basic NDL + multi-gas deco planner)❌
Tides❌✅✅✅✅❌
Backlight❌✅ (configurable time and intensity; auto-on at depth)✅ (configurable time and intensity; auto-on at depth)✅ (configurable time and intensity; auto-on at depth)✅ (configurable time and intensity; auto-on at depth)❌
Automatically saves dive entry & 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. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or timeAudible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or timeAudible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or timeAudible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, (tank pressure, gas consumption rate – in Mk2i). Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time❌
3-axis dive compass❌✅ (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading✅(with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading✅(with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading✅ (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading❌
Missed deco lockout❌✅  (can be disabled prior to dive with user acknowledgement)âś…  (can be disabled prior to dive with user acknowledgement)âś…  (can be disabled prior to dive with user acknowledgement)âś… (can be disabled prior to dive with user acknowledgement)❌
Residual tissue loading reset❌✅ (on the surface with user acknowledgement)✅ (on the surface with user acknowledgement)✅ (on the surface with user acknowledgement)✅ (on the surface with user acknowledgement)❌
Surface diver status widget❌✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)❌