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- D2 Air X15
GarminGPS sports watch
Garmin D2 Air X15
Garmin D2 Air X15 is a GPS sports watch released in October 2025. Key specs: case size 45 mm, screen size 1.4″, AMOLED / OLED display, battery life (smartwatch mode) 10 days.
4.9Score
Display6.5
Battery life3.2
Health tracking8.3
Sports & outdoor6.1
Smart features3.2
Build & durability3.7
price range$580–720
- Released
- October 2025
- Type
- GPS sports watch
- Brand
Garmin- Popularity
- #373 of 796
45 mmCase size
1.4″Screen size
YesAMOLED / OLED display
10 daysBattery life (smartwatch mode)
20 hGPS battery life
5 ATMWater resistance
38 gWeight
YesNFC payments
Spec guide
How it ranks among GPS sports watches of 2025
Screen size · 1.4″Bottom 34%Battery life (smartwatch mode) · 10 daysBottom 45%GPS battery life · 20 hBottom 17%Water resistance · 5 ATMBottom 38%Weight · 38 gTop 40%
Compared with GPS sports watches released in 2025. Bars show the share of models it beats.
compared with other GPS sports watches
Why is D2 Air X15 a good choice?
Weight: 38 gbetter than 93% of GPS sports watches
Thickness: 12.5 mmbetter than 71% of GPS sports watches
Weak points
Water resistance: 5 ATMworse than 93% of GPS sports watches
Battery life (smartwatch mode): 10 daysworse than 77% of GPS sports watches
GPS battery life: 20 hworse than 91% of GPS sports watches
Specifications
Full specifications
Design & durability
- Case size
- 45 mm
- Weight
- 38 g
- Thickness
- 12.5 mm
- Height
- 45 mm
- Width
- 45 mm
- Sapphire crystal
- No
- Lens / cover glass
- Corning® Gorilla® Glass 3
- Strap material
- silicone
- Water resistance
- 5 ATM
- Water rating (maker)
- 5 ATM
Display
- Screen size
- 1.4″
- Panel
- AMOLED
- AMOLED / OLED display
- Yes
- Always-on display
- Yes
- Touchscreen
- Yes
- Resolution (width)
- 454 px
- Resolution (height)
- 454 px
- Pixel density
- 324 ppi
Battery
- Battery life (smartwatch mode)
- 10 days
- Battery life with always-on display
- 4 days
- Battery saver mode
- 25 days
- GPS battery life
- 20 h
- GPS battery life (dual-band)
- 17 h
- Battery type
- Lithium ion
- Wireless charging
- No
- Charging
- Garmin proprietary plug charger
Health sensors
- Optical heart rate
- Yes
- Blood oxygen (SpO2)
- Yes
- ECG
- Yes
- Skin temperature
- Yes
- Temperature sensor
- Yes
- HRV tracking
- Yes
- Sleep tracking
- Yes
- Sensors
- GPS, GLONASS, Galileo, QZSS, BeiDou, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor
Sports & navigation
- Built-in GPS
- Yes
- Dual-band GPS
- Yes
- Satellite systems
- GLONASS, GALILEO, BDS, QZSS
- Barometric altimeter
- Yes
- Compass
- Yes
- Multisport / triathlon mode
- Yes
- Sport profiles
- 93
- LED flashlight
- Yes
Connectivity
- NFC payments
- Yes
- Wi-Fi
- Wi-Fi 4
- ANT+ sensors
- Yes
Smart features
- Calls from the wrist
- Yes
- Speaker
- Yes
- Microphone
- Yes
- Voice assistant
- Yes
- Music on the watch
- Yes
- Storage
- 8 GB
- Third-party apps
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Smartwatches: Proprietary + ECG88GPS sports watches: ECG99Smartwatches: Dual-band GPS + ECG99Smartwatches: ECG + music on the watch113Smartwatches: Battery life (smartwatch mode) from 7 days + ECG115GPS sports watches: Dual-band GPS130Smartwatches: NFC payments + ECG136Smartwatches: Dual-band GPS + music on the watch142
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