Garmin · 2020
D2 AirSize, Dimensions & Wrist Fit
The Garmin D2 Air sits best on flat wrist widths of about 45–62mm (≈ 12.0–16.6cm wrist circumference). Adjust the slider below to check your wrist.
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The D2™ Air in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Between 6 hours and 5 days per charge depending on the power mode — smartwatch at best, gps with music at worst.
- 12.4mm thick. Thinner than 81% of 43mm watches, so it slides under a cuff more easily than most of its size.
- 1.2" (30.4mm) diameter display.
- fiber-reinforced polymer with polymer rear cover case, Corning® Gorilla® Glass 3 glass.
Does the D2 Air fit your wrist?
Drag the slider to your wrist width and see the D2 Air overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
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.
Measure at the point where you wear your watch — typically just below the wrist bone.
Flat width — lay your arm on a table, palm facing up, and measure straight across the top of your wrist with a ruler. Bone to bone; do not follow the curve down the sides.
Around — wrap a tape measure snugly round the wrist. No tape? Wrap a strip of paper, mark the overlap and hold the strip against a ruler.
Width ≠ circumference. They are different numbers — around 170mm is about 64mm across — so set the toggle to whichever one you actually measured before you type it in.
Garmin D2™ Air
Case 43.2mm · Lug-to-lug 43.2mm · Thickness 12.4mm · 46g
Balanced Fit
43.2mm on a 55mm wrist
Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 43.2mm, so you could go bigger.
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.
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 measurementsHide the measurements
- Across the wrist5.9mm spare each side
Comfortable, with visible skin either side.
- Off the wrist12.4mm off the skin
Normal sports-watch height for a wrist this size. (12.4mm case, back against the skin)
- How it seats~4.4mm under the rim
Seats well, with the case back following most of the wrist.
- Weight on the wrist46g
Light enough to forget you have it on. (0.8g per mm of wrist)
Happy with the fit? Check current availability for the D2 Air.
Check offer2D Dimension Schematics
The D2™ Air drawn to scale — from above, and in profile against the wrist.
- Garmin D2™ Air43.2mm · 12.4mm thick
3D preview
Garmin D2™ Air on a wrist
On an arm sized to your own wrist — the view a product photo never gives you.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
How long the D2™ Air lasts, by power mode
Runtime changes by a factor of 20 depending on what you leave switched on. Bars are scaled against the longest mode.
- Smartwatch5 days
- GPS without music20 hours
- GPS+SPO210 hours
- GPS with music6 hours
How the D2™ Air ranks on battery
Against the 296 Garmin watches in our database, ranked on each figure Garmin publishes.
- Everyday use5 days#264 of 285
- GPS tracking20 hours#174 of 267
D2™ Air specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- Smartwatch mode: Up to 5 days GPS mode with music: Up to 6 hours GPS mode without music: Up to 20 hours GPS+SPO2: Up to 10 hours
- Display
- 1.2" (30.4mm) diameter
- Resolution
- 390 x 390 pixels
- Case material
- fiber-reinforced polymer with polymer rear cover
- Bezel
- stainless steel
- Glass
- Corning® Gorilla® Glass 3
- Strap
- silicone and leather
- Storage
- 7 timed activities, 14 days of activity tracking data
- Charging
- Garmin proprietary plug charger
Full specification sheet
140 published lines across 20 groups, unedited
Overview
- Family
- Garmin
General
- Battery life
- Smartwatch mode: Up to 5 days GPS mode with music: Up to 6 hours GPS mode without music: Up to 20 hours GPS+SPO2: Up to 10 hours
- Display Size
- 1.2" (30.4mm) diameter
- Case material
- fiber-reinforced polymer with polymer rear cover
- Color display
- Lens Material
- Corning® Gorilla® Glass 3
- Bezel Material
- stainless steel
- Memory/History
- 7 timed activities, 14 days of activity tracking data
- Strap material
- silicone and leather
- Charging method
- Garmin proprietary plug charger
- Display resolution
- 390 x 390 pixels
- Quick Release bands
- yes (20 mm, Industry standard)
Sensors
- GPS
- Compass
- GLONASS
- Galileo
- Gyroscope
- Thermometer
- yes (tempe™ sensor required)
- Accelerometer
- Ambient light sensor
- Barometric altimeter
- Pulse Ox Blood Oxygen Saturation Monitor
- Garmin Elevate™ wrist heart rate monitor
Product Info
- Main SKU
- 010-02173-41
- Product ID
- 707506
- Product Name
- D2™ Air
- Product Variation
- GPS Smartwatch for Aviators
Clock Features
- Timer
- Stopwatch
- Time/date
- Alarm clock
- GPS Time Sync
- Sunrise/sunset times
- Automatic daylight saving time
Cycling Features
- Compatible with Varia™ lights
- Speed and cadence sensor support (w/sensor)
- Compatible with Varia™ radar (rear-facing radar)
- Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Golfing Features
- PinPointer
- Tournament legal
- Digital scorecard
- Garmin AutoShot™
- Round timer/odometer
- Yardage to layups/doglegs
- Hazards and course targets
- Pairs with Garmin Golf app
- Green View with manual pin position
- 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)
- Measures shot distance (calculates exact yardage for shots from anywhere on course)
- automatic
Running Features
- Run workouts
- Foot pod capable
- GPS-based distance, time and pace
- Cadence (provides real-time number of steps per minute)
What You'll Love
- Garmin Pay™
- Pulse Ox blood oxygen
- yes (spot-check, and optionally all-day and in sleep)
Activity Profiles
- Gym
- Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, Yoga
- Swim
- Pool Swimming
- Cycling
- Biking, Indoor Biking
- Outdoor recreation
- Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing
Aviation Features
- In-flight Pulse Ox
- Waypoint information page
- 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)
Swimming Features
- Time and distance alerts
- Underwater wrist-based heart rate
- 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)
Outdoor Recreation
- Back to start
- Total ascent/descent
Daily Smart Features
- Calendar
- Connectivity
- Bluetooth®, ANT+®, Wi-Fi®
- Find My Phone
- Find My Watch
- Weather forecasts
- Smart Notifications
- Smartphone compatibility
- iPhone®, Android™
- Controls smartphone music
- Plays and controls watch music
- Pairs 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
- Yoga workouts
- Cardio workouts
- Pilates workouts
- Strength workouts
- On-screen workout animations
Health & Wellness Monitoring
- Sleep
- yes (advanced)
- Hydration
- Fitness age
- yes (in app)
- All-day stress
- Women's health
- Respiration rate
- Resting heart rate
- 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
- 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
- % HR max
- HR zones
- HR alerts
- Manual lap
- Auto scroll
- HR calories
- Physio TrueUp
- VO2 Max (Run)
- Advanced workouts
- GPS speed and distance
- Customizable data pages
- Touch and/or button lock
- Activity history on watch
- Downloadable training plans
- Customizable activity profiles
- Auto Pause® automatic timer halt
- Respiration rate (during exercise)
- Yoga and Breathwork only
- Auto Lap® interval tracking feature
- HR broadcast (broadcasts HR data over ANT+® to paired devices)
Alternatives to the D2™ Air
Watches that cover a similar amount of wrist, with the measurements that separate them.
Garmin
Venu®
- Width
- 43.2mm
- Thick
- 12.4mm
- Weight
- 46.3g
Garmin
vívoactive® 3 Music
- Width
- 43.1mm
- Thick
- 13.6mm
- Weight
- 39g
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Garmin
vívoactive® 3 Music (Verizon)
- Width
- 43.1mm
- Thick
- 13.6mm
- Weight
- 39g
Garmin
Approach® S42
- Width
- 43.4mm
- Thick
- 11.7mm
- Weight
- 43g
Garmin
Approach® S40
- Width
- 43.4mm
- Thick
- 11.7mm
- Weight
- 43g
Garmin
vívoactive® 3
- Width
- 43.4mm
- Thick
- 11.7mm
- Weight
- 43g
D2™ Air — Frequently Asked Questions
Will the Garmin D2 Air fit my wrist?
The Garmin D2 Air looks balanced on flat wrist widths of roughly 45–62mm (about 12.0–16.6cm circumference). Drag the slider above to check it against your own measurement.
How long does the Garmin D2 Air battery last?
Between 6 hours and 5 days per charge, depending on the power mode. Garmin rates Smartwatch at 5 days and GPS with music at 6 hours; the chart above lists all 4 modes.
How does the Garmin D2 Air battery compare with other Garmin watches?
At 5 days in everyday use it ranks #264 of the 285 Garmin watches in our database — below the middle of the range. The full ranking, including GPS and power-saving figures, is on our Garmin battery life comparison.
Is the Garmin D2 Air thick for a 43mm watch?
At 12.4mm, thinner than 81% of 43mm watches, so it slides under a cuff more easily than most of its size. 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 Air?
OnePlus Watch 3 43mm, Oppo Watch X2 Mini, Omega Speedmaster Moonphase Stainless Steel / Black Meteorite / Bracelet, Zenith Defy Extreme Diver Shadow / Bracelet all sit within half a millimetre of the Garmin D2 Air's 43.2mm case, so they cover the same amount of wrist.
