Garmin D2 Mach 1 — case dimensions and design

Garmin · 2022

D2 Mach 1Size, Dimensions & Wrist Fit

Case Width

47mm

Thickness

14.5mm

Battery

11 days

Weight

70g

The Garmin D2 Mach 1 sits best on flat wrist widths of about 49–67mm (≈ 13.1–17.9cm wrist circumference). Adjust the slider below to check your wrist.

Check Wrist Fit Check offer Compare

Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.

The D2™ Mach 1 in short

The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.

Between 10 hours and 21 days per charge depending on the power mode — battery saver smartwatch at best, all satellite systems with music at worst.
Water rated to 10 ATM.
14.5mm thick. Thicker than 66% of 47mm watches — it will sit noticeably high on the wrist.
1.3" (33.0 mm) diameter AMOLED (optional always-on mode) display.
Takes 22mm bands, so third-party straps fit without an adapter.

Does the D2 Mach 1 fit your wrist?

Drag the slider to your wrist width and see the D2 Mach 1 overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.

Fit tool

Watch Fit Tool

For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.

Your wrist

≈ 146.9mm around

Garmin D2™ Mach 1

Case 47.0mm · Lug-to-lug 47.0mm · Thickness 14.5mm · 70g

Check offer

Sweet Spot

47mm on a 55mm wrist

Understated Balanced Sweet Spot Bold Overhang ⚠

Across the wrist it works — 4.0mm spare each side — but a tall watch on this wrist. Fine over a sleeve, awkward under one.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 47mm.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.

Complete Wrist Measurement Guide →

Against one you know

Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.

Show the measurements

Across the wrist4.0mm spare each side
Fills the wrist without reaching the edge.
Off the wrist14.5mm off the skin
A tall watch on this wrist. Fine over a sleeve, awkward under one. (14.5mm case, back against the skin)
How it seats~6.1mm under the rim
Wide enough that the edge of the case back lifts clear of the skin.
Weight on the wrist70g
Substantial without being a burden — the usual weight of a steel watch on a wrist this size. (1.3g per mm of wrist)

Happy with the fit? Check current availability for the D2 Mach 1.

Check offer

2D Dimension Schematics

The D2™ Mach 1 drawn to scale — from above, and in profile against the wrist.

Highlight

From above — true scale

From the side — how far it sits off the wrist

Garmin D2™ Mach 147mm · 14.5mm thick

3D preview

Garmin D2™ Mach 1 on a wrist

On an arm sized to your own wrist — the view a product photo never gives you.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

How long the D2™ Mach 1 lasts, by power mode

Runtime changes by a factor of 50 depending on what you leave switched on. Bars are scaled against the longest mode.

always-on displayraise-to-wake

Battery Saver Smartwatch21 days
Expedition GPS14 days
Smartwatch11 days · 4 days always-on
Max battery GPS75 hours
GPS only42 hours · 30 hours always-on
All satellite systems32 hours · 24 hours always-on
Fly activity24 hours
All satellite systems with multi-band20 hours · 15 hours always-on
All satellite systems with music10 hours · 9 hours always-on

How the D2™ Mach 1 ranks on battery

Against the 296 Garmin watches in our database, ranked on each figure Garmin publishes.

Everyday use21 days#107 of 285
GPS tracking75 hours#63 of 267

See all 296 Garmin watches ranked by battery life

What size band does the D2™ Mach 1 take?

Lug width

22mm

Any 22mm strap fits, so you are not restricted to Garmin's own bands. Quick-release pins let you swap without tools — check that a replacement lists 22mm and quick-release before buying.

Shop 22mm bands

Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.

D2™ Mach 1 specifications

The figures that decide a purchase, followed by every line Garmin publishes.

Battery life: Smartwatch mode: Up to 11 days (4 days always-on) Battery Saver Smartwatch mode: Up to 21 days GPS only: Up to 42 hours (30 hours always-on ) All satellite systems: Up to 32 hours (24 hours always-on) All satellite systems with multi-band: Up to 20 hours (15 hours always-on) All satellite systems with music: Up to 10 hours (9 hours always-on) Max battery GPS: Up to 75 hours Expedition GPS: Up to 14 days Fly activity (GPS + SpO2): Up to 24 hours
Display: 1.3" (33.0 mm) diameter
Resolution: 416 x 416 pixels
Water rating: 10 ATM
Case material: fiber-reinforced polymer with titanium rear cover
Bezel: titanium
Glass: sapphire crystal
Strap: Leather version: Italian leather & silicone Titanium version: Titanium & silicone
Storage: 32 GB
Charging: Garmin proprietary plug charger

Full specification sheet

273 published lines across 21 groups, unedited

Overview

Family: Garmin

General

Battery life: Smartwatch mode: Up to 11 days (4 days always-on) Battery Saver Smartwatch mode: Up to 21 days GPS only: Up to 42 hours (30 hours always-on ) All satellite systems: Up to 32 hours (24 hours always-on) All satellite systems with multi-band: Up to 20 hours (15 hours always-on) All satellite systems with music: Up to 10 hours (9 hours always-on) Max battery GPS: Up to 75 hours Expedition GPS: Up to 14 days Fly activity (GPS + SpO2): Up to 24 hours
Display Size: 1.3" (33.0 mm) diameter
Case material: fiber-reinforced polymer with titanium rear cover
Color display
Lens Material: sapphire crystal
Bezel Material: titanium
Memory/History: 32 GB
Strap material: Leather version: Italian leather & silicone Titanium version: Titanium & silicone
Charging method: Garmin proprietary plug charger
Display resolution: 416 x 416 pixels
QuickFit® watch band compatible: included (22 mm)

Sensors

GPS
Compass
GLONASS
Galileo
Gyroscope
Thermometer
Accelerometer
Ambient light sensor
Barometric altimeter
Pulse Ox Blood Oxygen Saturation Monitor
Garmin Elevate™ wrist heart rate monitor

Product Info

Main SKU: 010-02582-50
Product ID: 798926
Product Name: D2™ Mach 1
Release Date: 3/28/2022
Product Variation: Aviator Smartwatch with Vented Titanium Bracelet

Clock Features

Timer
Stopwatch
Time/date
Alarm clock
GPS Time Sync
Sunrise/sunset times
Automatic daylight saving time

Cycling Features

Courses
MTB Grit & Flow
Race an activity
Power meter compatible
Advanced cycling dynamics
Compatible with Varia™ lights
FTP (Functional Threshold Power): yes (with compatible accessory)
Compatible with Varia headlight camera
Speed and cadence sensor support (w/sensor)
Cycle Map (routable cycling-specific street map)
Bike lap and lap maximum power (with power sensor)
Compatible with Varia™ radar (rear-facing radar)
Compatible with Vector™ and Rally™ (power meters)
Compatible with Varia Vision™ (head-mounted display)
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)

Golfing Features

PinPointer
Custom targets
Full vector map
Handicap scoring
Tournament legal
Digital scorecard
Garmin AutoShot™
PlaysLike distance
Round timer/odometer
Auto CourseView updates
Yardage to layups/doglegs
Hazards and course targets
Pairs with Garmin Golf app
Green View with manual pin position
Preloaded with 43,000 courses worldwide
CT10 Automatic club tracking compatible (requires accessory)
Yardage to F/M/B (distance to front, middle and back of green)
Stat tracking (strokes, putts per round, greens and fairways hit)
Touch-targeting (touch target on display to see the distance to any point)
Measures shot distance (calculates exact yardage for shots from anywhere on course): automatic

Running Features

Hill score
Run workouts
Race predictor
Foot pod capable
Running dynamics: yes (with compatible accessory)
Lactate threshold: yes (with compatible accessory)
Trail run auto climb
Performance condition
Stride length (real time): yes (with compatible accessory)
PacePro™ Pacing Strategies
Vertical oscillation and ratio: yes (with compatible accessory)
Ground contact time and balance: yes (with compatible accessory)
GPS-based distance, time and pace
Cadence (provides real-time number of steps per minute)

What You'll Love

Touchscreen
Display type: AMOLED (optional always-on mode)
Water rating: 10 ATM
Garmin Pay™
Music storage
Multi-band GPS
Training status
Built-in mapping
Pulse Ox blood oxygen: yes (spot-check, and optional all-day acclimation and in sleep)
Sleep score and insights
Battery life (smartwatch mode): Up to 11 days (4 days always-on)

Activity Profiles

Gym: Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
Swim: Pool Swimming, Open Water Swimming
Cycling: Biking, Mountain Biking, Indoor Biking
Wellness: Walking, Pilates, Yoga
Multisport: Swimming/Running, Triathlon
On the Water: Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing
Snow & winter: Skiing, Snowboarding, XC Classic Skiing, 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, Golfing
Other activity profiles: Jumpmaster, Tactical

Aviation Features

Aviation Alerts
MOS & Meteogram
In-flight Pulse Ox
NEXRAD on moving map
Waypoint information page
Density altitude calculator
Fly activity emergency mode
Connext avionics connectivity
Worldwide airport database(s)
Multiple time zones with Zulu/UTC
TAF (Terminal Aerodrome Forecast)
Altimeter with adjustable baro setting
METAR (Meteorological Aerodrome Report)
Worldwide NAVAID and Intersection database(s)
Wirelessly receive flight plans from Garmin Pilot™
3-axis compass with HSI (horizontal situation indicator)
Moving Map with aviation airports, navaids, roads, bodies of water and more

Swimming Features

Pool swim workouts
Critical swim speed
Time and distance alerts
Auto rest (pool swim only)
Drill logging (pool swim only)
Pacing alerts (pool swim only)
Countdown start (pool swim only)
Underwater wrist-based heart rate
"Repeat on" rest timer (pool swim only)
Basic rest timer (up from 0) (pool swim only)
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)
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 Features

Kill switch
Stealth Mode
XERO™ Locations
Dual grid coordinates

Outdoor Recreation

Tides: yes (via Connect IQ™)
Up Ahead
TracBack®
Sight 'N Go
Back to start
Fish forecast: yes (via Connect IQ™)
Explore Nearby
UltraTrac mode
Vertical speed
GPS coordinates
Area calculation: yes (via Connect IQ™)
Elevation profile
Projected waypoint
Total ascent/descent
Future elevation plot
Distance to destination
Expedition GPS Activity
Sun and moon information: yes (via Connect IQ™)
Point-to-point navigation
Preloaded ski resort maps
ClimbPro™ Ascent Planner
Preloaded road and trail maps
Bread crumb trail in real time
Downloadable cartography support
Barometric trend indicator with Storm Alert

Daily Smart Features

Calendar
Connectivity: Bluetooth®, ANT+®, Wi-Fi®
Garmin Share
Find My Phone
Find My Watch
VIRB® Remote
Weather forecasts
Smart Notifications
Smart trainer control
Smartphone compatibility: iPhone®, Android™
Controls smartphone music
On-device Connect IQ™ Store
Plays and controls watch music
Pairs with Garmin Connect™ Mobile
Battery saver (customizable low power watch)
Realtime settings sync with Garmin Connect™ mobile
Text response/reject phone call with text (Android™ only)
Connect IQ™ (downloadable watch faces, data fields and apps)

Activity Tracking Features

TrueUp™
Move IQ™
Step counter
Floors climbed
Calories burned
Distance traveled
Intensity minutes
Automatic rep counting
Garmin Connect™ Challenges app: yes (optional Connect IQ app)
Move alerts (displays on device after a period of inactivity)
Auto goal (learns your activity level and assigns a daily step goal)

Workout and Training Plans

HIIT workouts
Yoga workouts
Pilates workouts
Strength workouts
Garmin Cycling Coach
Garmin Running Coach
Garmin Running Coach Experts
On-screen workout animations
Garmin Coach - Prebuilt Cycling Plans
Daily Suggested Workout - Cycling (Pace and Heart Rate Based)
Daily Suggested Workout - Running (Pace and Heart Rate Based)

Health & Wellness Monitoring

Sleep: yes (advanced)
Hydration: yes (in Garmin Connect™ and optional Connect IQ™ widget)
Fitness age: yes (in app)
All-day stress
Women's health: yes (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshot
Respiration rate
Resting heart rate
Breathing variations
Relaxation reminders
Abnormal heart rate alerts: yes (high and low)
Relaxation breathing timer
Body Battery™ energy monitor
Wrist-based heart rate (constant, every second)

Safety and Tracking Features

Assistance
Live Event Sharing
Incident Detection during select activities

Kid Activity Tracking Features

Toe-to-Toe™ Challenges app: yes (optional Connect IQ Toe-to-Toe™ Challenges app)

Training, Planning and Analysis Features

% HRR
% HR max
HR zones
HR alerts
Shortcuts
Manual lap
Rest timer
Auto max HR
Auto scroll
Finish time
HR calories
Voice alerts
Custom alerts
Physio TrueUp
Recovery time
Training load
VO2 Max (Run)
Course guidance
Endurance score
Training effect
Virtual Partner
Race an Activity
Realtime stamina
Advanced workouts
Interval training
Training load focus
VO2 Max (Trail Run)
Garmin Live Segments
Strava Live Segments
GPS speed and distance
Improved recovery time
Configurable lap alerts
Customizable data pages
Touch and/or button lock
Activity history on watch
Downloadable training plans
Training effect (anaerobic)
Manual multisport activities
Heat and altitude acclimation
Customizable activity profiles
Trendline™ Popularity Routing
Auto Pause® automatic timer halt
Respiration rate (during exercise): yes (with compatible accessory)
Auto Lap® interval tracking feature
Primary benefit (Training Effect labels)
Round-trip course creator (running/cycling)
Power Modes - customizable in-activity battery settings
HR broadcast (broadcasts HR data over ANT+® to paired devices)
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)

Alternatives to the D2™ Mach 1

Watches that cover a similar amount of wrist, with the measurements that separate them.

D2™ Mach 1 — Frequently Asked Questions

Will the Garmin D2 Mach 1 fit my wrist?

The Garmin D2 Mach 1 looks balanced on flat wrist widths of roughly 49–67mm (about 13.1–17.9cm circumference). Drag the slider above to check it against your own measurement.

What size band does the Garmin D2 Mach 1 take?

22mm. Any 22mm strap fits, so you are not limited to Garmin's own bands — look for a quick-release fitting if you want to swap without tools.

How long does the Garmin D2 Mach 1 battery last?

Between 10 hours and 21 days per charge, depending on the power mode. Garmin rates Battery Saver Smartwatch at 21 days and All satellite systems with music at 10 hours; the chart above lists all 9 modes.

How does the Garmin D2 Mach 1 battery compare with other Garmin watches?

At 21 days in everyday use it ranks #107 of the 285 Garmin watches in our database — the top 38% of the range. The full ranking, including GPS and power-saving figures, is on our Garmin battery life comparison.

Is the Garmin D2 Mach 1 thick for a 47mm watch?

At 14.5mm, thicker than 66% of 47mm watches — it will sit noticeably high on the wrist. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.

What other watches are the same size as the Garmin D2 Mach 1?

Oppo Watch X3, Xiaomi Watch 5, CMF Watch 3 Pro, Amazfit Balance 2 all sit within half a millimetre of the Garmin D2 Mach 1's 47mm case, so they cover the same amount of wrist.

← All Garmin watches Garmin watches 44mm & larger →Garmin battery life compared →Browse all brands How watch sizing works →Compare watch sizes →