Descent™ Mk2iSize, Dimensions & Wrist Fit
Case Width
52mm
Thickness
17.8mm
Diameter
52mm
Weight
99.6g
The Garmin Descent™ Mk2i sits best on flat wrist widths of about 55–74mm (≈ 14.7–19.8cm wrist circumference). Adjust the slider below to check your wrist.
Does the Descent™ Mk2i fit your wrist?
Drag the slider to your wrist width and see the Descent™ Mk2i overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
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Garmin Descent™ Mk2i Full Specifications
Overview1
FamilyGarmin
General11
Battery life
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
Display Size1.4” (35.56 mm) diameter
Case materialfiber-reinforced polymer with metal rear cover
Color displayYes
Lens Materialsapphire crystal
Bezel MaterialDiamond-like Carbon (DLC) coated titanium
Memory/History32 GB
Strap materialsilicone or titanium
Charging methodGarmin proprietary clip charger
Display resolution280 x 280 pixels
QuickFit® watch band compatibleyes (26 mm)
Sensors11
GPSYes
CompassYes
GLONASSYes
GalileoYes
GyroscopeYes
ThermometerYes
Depth sensorYes
AccelerometerYes
Barometric altimeterYes
Pulse Ox Blood Oxygen Saturation MonitorYes
Garmin Elevate™ wrist heart rate monitorYes
Product Info4
Main SKU010-02132-01
Product ID632320
Product NameDescent™ Mk2i
Product VariationTitanium Carbon Gray DLC with Black Band
Clock Features7
TimerYes
StopwatchYes
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Diving Features36
PO2Up to 2.0 with customizable deco PO2 setting
TidesYes
Backlight
yes (configurable time and intensity; auto-on at depth)
Gas mixes
Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.
APNEA modeYes
Deep Stopsyes (using custom gradient factors)
Gauge modeYes
No fly timeYes
Safety Stopyes (customizable off/3min/5min)
Dive planneryes (basic NDL + multi-gas deco planner)
Multi-gas modeYes
Nitrox supportYes
Trimix supportYes
APNEA hunt modeYes
Air integrationyes (via Subwave™)
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
Single-gas modeYes
Gas time remainingYes
Subwave™ SupportYes
3-axis dive compass
yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Auto start/end diveYes
Decompression modelBühlmann ZHL-16c with gradient factors
Missed Deco Lockout
yes (can be disabled prior to dive with user acknowledgement)
Gas consumption rateYes
Custom end-dive timeoutyes (20s to 10 m)
Custom dive data screensYes
Customizable conservatism
yes (low/medium/high or custom using gradient factors)
Surface diver status widget
yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)
Automatic altitude adjustmentYes
Residual Tissue Loading Resetyes (on the surface with user acknowledgement)
Closed Circuit Rebreather (CCR)Yes
Number of transmitters supported5
Dive ascent/descent rate indicatorYes
Dive activity maximum operating depth100 meters
Sync dive log to Garmin Dive™ Mobile appYes
Automatically saves dive entry and exit locationsYes
Boating Features2
Available Boating ProfilesBoating
Built-in barometer and tide tablesYes
Cycling Features14
CoursesYes
MTB Grit & FlowYes
Race an activityYes
Power meter compatibleYes
Advanced cycling dynamicsYes
Compatible with Varia™ lightsYes
FTP (Functional Threshold Power)yes (with compatible accessory)
Speed and cadence sensor support (w/sensor)Yes
Cycle Map (routable cycling-specific street map)Yes
Bike lap and lap maximum power (with power sensor)Yes
Compatible with Varia™ radar (rear-facing radar)Yes
Compatible with Vector™ and Rally™ (power meters)Yes
Compatible with Varia Vision™ (head-mounted display)Yes
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes
Golfing Features18
PinPointerYes
Custom targetsYes
Full vector mapYes
Handicap scoringYes
Digital scorecardYes
Garmin AutoShot™Yes
PlaysLike distanceYes
Round timer/odometerYes
TruSwing™ compatibleYes
Auto CourseView updatesYes
Yardage to layups/doglegsYes
Hazards and course targetsYes
Green View with manual pin positionYes
Preloaded with 43,000 courses worldwideYes
CT10 Automatic club tracking compatible (requires accessory)Yes
Yardage to F/M/B (distance to front, middle and back of green)Yes
Stat tracking (strokes, putts per round, greens and fairways hit)Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course)automatic
Running Features14
Run workoutsYes
Race predictorYes
Foot pod capableYes
Running dynamicsyes (with compatible accessory)
Lactate thresholdyes (with compatible accessory)
Trail run auto climbYes
Performance conditionYes
Run/Walk/Stand detectionYes
Stride length (real time)yes (with compatible accessory)
PacePro™ Pacing StrategiesYes
Vertical oscillation and ratioyes (with compatible accessory)
Ground contact time and balanceyes (with compatible accessory)
GPS-based distance, time and paceYes
Cadence (provides real-time number of steps per minute)Yes
What You'll Love9
Display type
Sunlight-visible, transflective memory-in-pixel (MIP)
Water ratingDive (100 meters)
Garmin Pay™Yes
Music storageYes
Training statusYes
Built-in mappingYes
Pulse Ox blood oxygen
yes (spot-check, and optional all-day acclimation and in sleep)
Sleep score and insightsYes
Battery life (smartwatch mode)Up to 16 days
Activity Profiles12
Gym
Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
SwimPool Swimming, Open Water Swimming
CyclingBiking, Mountain Biking, Indoor Biking
WellnessWalking, Pilates, Yoga
MultisportSwimming/Running, Triathlon
On the Water
Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Boating
Racket sportsTennis, Pickleball
Snow & winter
Skiing, Snowboarding, XC Classic Skiing, Backcountry Skiing, Snowshoeing
Indoor runningTreadmill Running, Indoor Track Running
Outdoor runningRunning, Trail Running
Outdoor recreation
Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing
Other activity profilesJumpmaster, Tactical
Swimming Features14
Pool swim workoutsYes
Critical swim speedYes
Time and distance alertsYes
Auto rest (pool swim only)Yes
Drill logging (pool swim only)Yes
Pacing alerts (pool swim only)Yes
Countdown start (pool swim only)Yes
Underwater wrist-based heart rateYes
"Repeat on" rest timer (pool swim only)Yes
Basic rest timer (up from 0) (pool swim only)Yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)Yes
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)Yes
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)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)
Tactical Features5
Kill switchYes
Stealth ModeYes
Ballistics solveryes (unlock required)
XERO™ LocationsYes
Dual grid coordinatesYes
Outdoor Recreation24
TidesYes
TracBack®Yes
Sight 'N GoYes
Back to startYes
Fish forecastyes (via Connect IQ™)
Explore NearbyYes
UltraTrac modeYes
Vertical speedYes
GPS coordinatesYes
Area calculationyes (via Connect IQ™)
Elevation profileYes
Projected waypointYes
Total ascent/descentYes
Future elevation plotYes
Distance to destinationYes
Expedition GPS ActivityYes
Sun and moon informationyes (via Connect IQ™)
Point-to-point navigationYes
Preloaded ski resort mapsYes
ClimbPro™ Ascent PlannerYes
Preloaded road and trail mapsYes
Bread crumb trail in real timeYes
Downloadable cartography supportYes
Barometric trend indicator with Storm AlertYes
Daily Smart Features15
CalendarYes
ConnectivityBluetooth® Smart, ANT+®, Wi-Fi®, Subwave™
Find My PhoneYes
Find My WatchYes
VIRB® RemoteYes
Weather forecastsYes
Smart NotificationsYes
Smart trainer controlYes
Smartphone compatibilityiPhone®, Android™
Controls smartphone musicYes
Plays and controls watch musicYes
Pairs with Garmin Connect™ MobileYes
Battery saver (customizable low power watch)Yes
Text response/reject phone call with text (Android™ only)Yes
Connect IQ™ (downloadable watch faces, data fields and apps)Yes
Activity Tracking Features11
TrueUp™Yes
Move IQ™Yes
Step counterYes
Floors climbedYes
Calories burnedYes
Distance traveledYes
Intensity minutesYes
Automatic rep countingYes
Garmin Connect™ Challenges appyes (optional Connect IQ app)
Move alerts (displays on device after a period of inactivity)Yes
Auto goal (learns your activity level and assigns a daily step goal)Yes
Workout and Training Plans11
Yoga workoutsYes
Cardio workoutsYes
Pilates workoutsYes
Strength workoutsYes
Garmin Cycling CoachYes
Garmin Running CoachYes
Garmin Running Coach ExpertsYes
On-screen workout animationsYes
Garmin Coach - Prebuilt Cycling PlansYes
Daily Suggested Workout - Cycling (Pace and Heart Rate Based)Yes
Daily Suggested Workout - Running (Pace and Heart Rate Based)Yes
Health & Wellness Monitoring12
SleepYes
Hydrationyes (in Garmin Connect™)
BreathworkYes
Fitness ageyes (in app)
All-day stressYes
Women's healthyes (in Garmin Connect™)
Respiration rateYes
Resting heart rateYes
Abnormal heart rate alertsyes (high and low)
Relaxation breathing timerYes
Body Battery™ energy monitorYes
Wrist-based heart rate (constant, every second)Yes
Safety and Tracking Features3
AssistanceYes
Live Event SharingYes
Incident Detection during select activitiesYes
Kid Activity Tracking Features1
Toe-to-Toe™ Challenges app
yes (optional Connect IQ Toe-to-Toe™ Challenges app)
Training, Planning and Analysis Features46
% HRRYes
% HR maxYes
HR zonesYes
HR alertsYes
ShortcutsYes
Manual lapYes
Auto max HRYes
Auto scrollYes
Finish timeYes
HR caloriesYes
Voice alertsYes
Custom alertsYes
Physio TrueUpYes
Recovery timeYes
Training loadYes
VO2 Max (Run)Yes
Course guidanceYes
Training effectYes
Virtual PartnerYes
Race an ActivityYes
Advanced workoutsYes
Interval trainingYes
Training load focusYes
Garmin Live SegmentsYes
Strava Live SegmentsYes
GPS speed and distanceYes
Improved recovery timeYes
Configurable lap alertsYes
Customizable data pagesYes
Unified training statusYes
Touch and/or button lockYes
Activity history on watchYes
Downloadable training plansYes
Training effect (anaerobic)Yes
Manual multisport activitiesYes
Heat and altitude acclimationYes
Customizable activity profilesYes
Trendline™ Popularity Routingyes (available as a wearable map theme)
Auto Pause® automatic timer haltYes
Respiration rate (during exercise)yes (with compatible accessory)
Auto Lap® interval tracking featureYes
Primary benefit (Training Effect labels)Yes
Round-trip course creator (running/cycling)Yes
Power Modes - customizable in-activity battery settingsYes
HR broadcast (broadcasts HR data over ANT+® to paired devices)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)
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Descent™ Mk2i — Frequently Asked Questions
What size is the Garmin Descent™ Mk2i?
The Garmin Descent™ Mk2i has a 52mm case and is 17.8mm thick.
Will the Garmin Descent™ Mk2i fit my wrist?
The Garmin Descent™ Mk2i looks balanced on flat wrist widths of roughly 55–74mm (about 14.7–19.8cm circumference). Use the interactive fit tool above to check against your own wrist.
How much does the Garmin Descent™ Mk2i weigh?
The Garmin Descent™ Mk2i weighs 99.6g (case only; straps add weight).
What is the best way to compare the Garmin Descent™ Mk2i with other watches?
Use our side-by-side comparison tool to see the Garmin Descent™ Mk2i next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.