Technical specifications:
Network Technology:
- GSM / HSPA / LTE
Body:
- Dimensions: 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
- Weight: 31.9 g (41mm), 38.7 g (45mm) (1.13 oz)
- Build: Glass front, ceramic/sapphire crystal back, aluminum frame
- SIM: eSIM
- IP6X certified
- 50m water resistant
- ECG certified (region dependent SW application; HW available on all models)
Display:
- Type: Retina LTPO OLED, 2000 nits (peak)
- Size: 1.9 inches
- Resolution: 484 x 396 pixels (~326 ppi density)
- Protection: Ion-X strengthened glass
- Always-on display
Platform:
- OS: watchOS 10, upgradable to watchOS 11
- Chipset: Apple S9
- CPU: Dual-core
- GPU: PowerVR
Memory:
- Card slot: No
- Internal: 64GB
Camera:
- No camera
Sound:
- Loudspeaker: Yes
- 3.5mm jack: No
Comms:
- WLAN: Wi-Fi 802.11 b/g/n, dual-band
- Bluetooth: 5.3, A2DP, LE
- Positioning: GPS, GLONASS, GALILEO, QZSS, BDS
- NFC: Yes
- Radio: No
- USB: No
Features:
- Sensors: Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)
- Temperature sensing (0.01˚ accuracy)
- Ultra Wideband (UWB) support (gen2 chip)
Battery:
- Type: Li-Ion 308 mAh, non-removable
- Charging: Wireless, 0-80% in 45 min (advertised)