Garmin · 2023
D2™ Mach 1 ProSize, Dimensions & Wrist Fit
Case Width
51mm
Thickness
15mm
Diameter
51mm
Weight
126g
The Garmin D2™ Mach 1 Pro sits best on flat wrist widths of about 54–73mm (≈ 14.4–19.5cm wrist circumference). Adjust the slider below to check your wrist.
Does the D2™ Mach 1 Pro fit your wrist?
Drag the slider to your wrist width and see the D2™ Mach 1 Pro overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
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Garmin D2™ Mach 1 Pro Full Specifications
Overview1
FamilyGarmin
General11
Battery life
Smartwatch mode: Up to 25 days (10 days always-on)
Battery Saver Smartwatch mode: Up to 41 days
GPS only: Up to 82 hours (58 hours always-on )
All satellite systems: Up to 62 hours (48 hours always-on)
All satellite systems with multi-band: Up to 38 hours (30 hours always-on)
All satellite systems with music: Up to 17 hours
Max battery GPS: Up to 145 hours
Expedition GPS: Up to 27 days
Fly activity (GPS + SpO2): Up to 46 hours
Display Size1.4" (35.56 mm) diameter
Case materialfiber-reinforced polymer with titanium rear cover
Color displayYes
Lens Materialsapphire crystal
Bezel Materialtitanium
Memory/History32 GB
Strap materialTitanium & silicone
Charging methodGarmin proprietary plug charger
Display resolution454 x 454 pixels
QuickFit® watch band compatibleincluded (26 mm)
Sensors12
GPSYes
CompassYes
GLONASSYes
GalileoYes
GyroscopeYes
ThermometerYes
AccelerometerYes
SatIQ™ TechnologyYes
Ambient light sensorYes
Barometric altimeterYes
Pulse Ox Blood Oxygen Saturation MonitorYes
Garmin Elevate™ wrist heart rate monitorYes
Product Info5
Main SKU010-02804-80
Product ID1398869
Product NameD2™ Mach 1 Pro
Release Date10/25/2023
Product VariationAviator Smartwatch with Vented Titanium Bracelet
Clock Features7
TimerYes
StopwatchYes
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Gaming Features2
Gaming ActivityYes
GameOn™ app compatibleYes
Boating Features1
Wearable trolling motor remoteYes
Cycling Features16
CoursesYes
MTB Grit & FlowYes
Race an activityYes
Power meter compatibleYes
Advanced cycling dynamicsYes
Power curve and % FTP workoutsYes
Compatible with Varia™ lightsYes
FTP (Functional Threshold Power)yes (with compatible accessory)
Compatible with Varia headlight cameraYes
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 Features24
PinPointerYes
Custom targetsYes
Tempo TrainingYes
Virtual caddieYes
Full vector mapYes
Handicap scoringYes
Tournament legalYes
Digital scorecardYes
Garmin AutoShot™Yes
PlaysLike distanceYes
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
Preloaded with 43,000 courses worldwideYes
Green Contours (with Garmin Golf membership)Yes
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
Wind speed and direction (requires connection to Garmin Golf app)Yes
Touch-targeting (touch target on display to see the distance to any point)Yes
Measures shot distance (calculates exact yardage for shots from anywhere on course)automatic
Running Features18
Hill scoreYes
Run workoutsYes
Running powerYes
Race predictorYes
Foot pod capableYes
Running dynamicsYes
Lactate thresholdyes (with compatible accessory)
Grade-adjusted paceYes
Trail run auto climbYes
Performance conditionYes
Run/Walk/Stand detectionYes
Stride length (real time)Yes
PacePro™ Pacing StrategiesYes
Vertical oscillation and ratioYes
Ground contact time and balanceyes (GCT balance with accessory)
GPS-based distance, time and paceYes
Course- and weather-specific race predictorYes
Cadence (provides real-time number of steps per minute)Yes
What You'll Love14
TouchscreenYes
Display typeAMOLED
Water rating10 ATM
Garmin Pay™Yes
Music storageYes
Garmin ECG AppYes
LED flashlightYes
Multi-band GPSYes
Training statusyes (improved)
Built-in mappingYes
Training readinessYes
Pulse Ox blood oxygenYes
Sleep score and insightsYes
Battery life (smartwatch mode)Up to 25 days (10 days always-on)
Activity Profiles15
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, Cyclocross, BMX
WellnessWalking, Pilates, Yoga, Indoor Walking
MultisportSwimming/Running, Triathlon
In the ringBoxing, Mixed Martial Arts
Team sports
Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
Motor sports
Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling
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
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
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
Other activity profilesJumpmaster, Tactical
Aviation Features17
Aviation AlertsYes
MOS & MeteogramYes
In-flight Pulse OxYes
NEXRAD on moving mapYes
Waypoint information pageYes
Density altitude calculatorYes
Fly activity emergency modeYes
Connext avionics connectivityYes
Worldwide airport database(s)Yes
Multiple time zones with Zulu/UTCYes
TAF (Terminal Aerodrome Forecast)Yes
Altimeter with adjustable baro settingYes
METAR (Meteorological Aerodrome Report)Yes
Worldwide NAVAID and Intersection database(s)Yes
Wirelessly receive flight plans from Garmin Pilot™Yes
3-axis compass with HSI (horizontal situation indicator)Yes
Moving Map with aviation airports, navaids, roads, bodies of water and moreYes
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 Features4
Kill switchYes
Stealth ModeYes
XERO™ LocationsYes
Dual grid coordinatesYes
Outdoor Recreation30
Tidesyes (via Connect IQ™)
Up AheadYes
Auto restYes
TracBack®Yes
Sight 'N GoYes
Tide glanceYes
Back to startYes
Fish forecastYes
Explore NearbyYes
UltraTrac modeYes
Vertical speedYes
GPS coordinatesYes
Reference pointYes
Area calculationyes (via Connect IQ™)
Elevation profileYes
Projected waypointYes
Total ascent/descentYes
Future elevation plotYes
NextFork™ navigationYes
Distance to destinationYes
Expedition GPS ActivityYes
Sun and moon informationYes
Point-to-point navigationYes
Preloaded ski resort mapsYes
ClimbPro™ Ascent PlannerYes
Rest Timer (Ultra Run only)Yes
Preloaded road and trail mapsYes
Bread crumb trail in real timeYes
Downloadable cartography supportYes
Barometric trend indicator with Storm AlertYes
Daily Smart Features23
StocksYes
CalendarYes
ConnectivityBluetooth®, ANT+®, Wi-Fi®
Garmin ShareYes
Find My PhoneYes
Find My WatchYes
VIRB® RemoteYes
Morning reportYes
Red shift modeYes
Weather forecastsYes
Smart NotificationsYes
Smart trainer controlYes
Smartphone compatibilityiPhone®, Android™
Controls smartphone musicYes
On-device Connect IQ™ StoreYes
Plays and controls watch musicYes
Find My Phone during GPS activityYes
Pairs with Garmin Connect™ MobileYes
Compatible with Garmin Messenger appYes
Battery saver (customizable low power watch)Yes
Realtime settings sync with Garmin Connect™ mobileYes
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 Plans13
HIIT workoutsYes
Yoga workoutsYes
Cardio workoutsYes
Pilates workoutsYes
Strength workoutsYes
Garmin Cycling CoachYes
Garmin Running CoachYes
Garmin Running Coach ExpertsYes
On-screen workout animationsYes
On-screen workout muscle mapsYes
Daily Suggested Workout - CyclingYes
Daily Suggested Workout - RunningYes
Garmin Coach - Prebuilt Cycling PlansYes
Health & Wellness Monitoring15
Sleepyes (advanced)
Hydration
yes (in Garmin Connect™ and optional Connect IQ™ widget)
BreathworkYes
Fitness ageyes (in app)
All-day stressYes
Women's health
yes (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshotYes
Jet lag adviserYes
Respiration rateYes
Resting heart rateYes
Breathing variationsYes
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 Features4
AssistanceYes
Live Event SharingYes
Incident Detection during select activitiesYes
Incident detection alert on phone for wearablesYes
Kid Activity Tracking Features1
Toe-to-Toe™ Challenges app
yes (optional Connect IQ Toe-to-Toe™ Challenges app)
Training, Planning and Analysis Features55
% HRRYes
% HR maxYes
HR zonesYes
HR alertsYes
ShortcutsYes
HRV statusYes
Load ratioYes
Manual lapYes
Rest timerYes
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
Endurance scoreYes
Training effectYes
Virtual PartnerYes
Race an ActivityYes
Realtime staminaYes
Advanced workoutsYes
Interval trainingYes
Race glance/widgetYes
Training load focusYes
VO2 Max (Trail Run)Yes
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
HRM running pace and distanceYes
Heat and altitude acclimationYes
Customizable activity profilesYes
Trendline™ Popularity RoutingYes
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
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)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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D2™ Mach 1 Pro — Frequently Asked Questions
What size is the Garmin D2™ Mach 1 Pro?
The Garmin D2™ Mach 1 Pro has a 51mm case and is 15mm thick.
Will the Garmin D2™ Mach 1 Pro fit my wrist?
The Garmin D2™ Mach 1 Pro looks balanced on flat wrist widths of roughly 54–73mm (about 14.4–19.5cm circumference). Use the interactive fit tool above to check against your own wrist.
How much does the Garmin D2™ Mach 1 Pro weigh?
The Garmin D2™ Mach 1 Pro weighs 126g (case only; straps add weight).
What is the best way to compare the Garmin D2™ Mach 1 Pro with other watches?
Use our side-by-side comparison tool to see the Garmin D2™ Mach 1 Pro next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.