WatchFitTool
Garmin Descent™ G1 — case dimensions and design

Garmin · 2022

Descent™ G1Size, Dimensions & Wrist Fit

Case Width

45.5mm

Thickness

15.2mm

Diameter

45.5mm

Weight

61g

The Garmin Descent™ G1 sits best on flat wrist widths of about 4865mm (≈ 12.817.4cm wrist circumference). Adjust the slider below to check your wrist.

Does the Descent™ G1 fit your wrist?

Drag the slider to your wrist width and see the Descent™ G1 overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.

For sports watches, Lug-to-Lug (L2L) is what matters most. Bulky is fine — overhang is not.

mm
40.0mm (small)85.0mm (large)
How to Measure
1

Lay arm flat, palm up.

2

Measure the flat width across top of wrist.

Garmin Descent™ G1 (010-02604-00)
Case: 45.5mmL2L: 45.5mmThick: 15.2mm
Edge Clearance
+4.75mm
Check offer on Amazon
Balanced Fit4.75mm clearance. Comfortable everyday wear with room to spare.

Compare the Descent™ G1 with…

Garmin Descent™ G1 Full Specifications

Overview1
FamilyGarmin
General10
Battery life
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
Display Size
custom, two-window design: 0.9” x 0.9” (23 x 23 mm)
Case materialfiber-reinforced polymer
Lens Materialsapphire crystal
Bezel Materialfiber-reinforced polymer
Memory/History32 MB
Strap materialsilicone
Charging methodGarmin proprietary clip charger
Display resolution176 x 176 pixels
QuickFit® watch band compatibleyes (22 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 Info5
Main SKU010-02604-00
Product ID766516
Product NameDescent™ G1
Release Date3/3/2022
Product VariationSlate Gray
Clock Features7
TimerYes
StopwatchYes
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Diving Features31
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
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 time
Single-gas modeYes
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)
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
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 Features11
CoursesYes
MTB Grit & FlowYes
Race an activityYes
Power meter compatibleYes
Compatible with Varia™ lightsYes
FTP (Functional Threshold Power)Yes
Speed and cadence sensor support (w/sensor)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
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes
Golfing Features14
PinPointerYes
Tournament legalYes
Digital scorecardYes
Garmin AutoShot™Yes
Round timer/odometerYes
Auto CourseView updatesYes
Yardage to layups/doglegsYes
Hazards and course targetsYes
Pairs with Garmin Golf appYes
Green View with manual pin positionYes
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)manual
Running Features13
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)
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 Love7
Display type
Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)
Water ratingDive (100 meters)
Garmin Pay™Yes
Training statusYes
Pulse Ox blood oxygenyes (spot-check, during sleep, all day)
Sleep score and insightsYes
Battery life (smartwatch mode)Up to 21 days
Activity Profiles12
Gym
Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
SwimPool Swimming, Open Water Swimming
Cycling
Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking
WellnessWalking, Pilates, Yoga
MultisportSwimming/Running
On the Water
Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating
Racket sportsTennis
Snow & winter
Skiing, Snowboarding, XC Classic Skiing, Snowshoeing
Indoor runningTreadmill Running, Indoor Track Running
Outdoor runningRunning, Trail Running
Outdoor recreation
Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding
Other activity profilesTactical
Swimming Features12
Pool swim workoutsYes
Time and distance alertsYes
Auto rest (pool swim only)Yes
Drill logging (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
Tactical Features2
XERO™ LocationsYes
Dual grid coordinatesYes
Outdoor Recreation18
TidesYes
TracBack®Yes
Sight 'N GoYes
Back to startYes
UltraTrac modeYes
Vertical speedYes
GPS coordinatesYes
Area calculationYes
Elevation profileYes
Projected waypointYes
Total ascent/descentYes
Future elevation plotYes
Distance to destinationYes
Expedition GPS ActivityYes
Sun and moon informationYes
Point-to-point navigationYes
Bread crumb trail in real timeYes
Barometric trend indicator with Storm AlertYes
Daily Smart Features14
CalendarYes
ConnectivityBluetooth®, ANT+®
Find My PhoneYes
Find My WatchYes
VIRB® RemoteYes
Weather forecastsYes
Smart NotificationsYes
Smart trainer controlYes
Smartphone compatibilityiPhone®, Android™
Controls smartphone 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
HIIT workoutsYes
Yoga workoutsYes
Cardio workoutsYes
Pilates workoutsYes
Strength workoutsYes
Garmin Cycling CoachYes
Garmin Running CoachYes
Garmin Running Coach ExpertsYes
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 Monitoring13
SleepYes
Hydrationyes (in Garmin Connect™)
BreathworkYes
Fitness ageYes
All-day stressYes
Women's healthyes (in Garmin Connect™)
Health snapshotYes
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 Features2
AssistanceYes
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 Features41
% 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
VO2 Max (Trail Run)Yes
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
Auto Pause® automatic timer haltYes
Respiration rate (during exercise)Yes
Auto Lap® interval tracking featureYes
Primary benefit (Training Effect labels)Yes
Power Modes - customizable in-activity battery settingsYes
HR broadcast (broadcasts HR data over ANT+® to paired devices)yes (using ANT+)

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Descent™ G1 — Frequently Asked Questions

What size is the Garmin Descent™ G1?

The Garmin Descent™ G1 has a 45.5mm case and is 15.2mm thick.

Will the Garmin Descent™ G1 fit my wrist?

The Garmin Descent™ G1 looks balanced on flat wrist widths of roughly 48–65mm (about 12.8–17.4cm circumference). Use the interactive fit tool above to check against your own wrist.

How much does the Garmin Descent™ G1 weigh?

The Garmin Descent™ G1 weighs 61g (case only; straps add weight).

What is the best way to compare the Garmin Descent™ G1 with other watches?

Use our side-by-side comparison tool to see the Garmin Descent™ G1 next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.