Body: Dimensions: 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Weight: 51.5 g (45mm) (1.83 oz)
Build: Glass front, ceramic/sapphire crystal back, stainless steel 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: Sapphire crystal glass
Always-on display
Platform: OS: watchOS 10, upgradable to watchOS 11.1
Chipset: Apple S9
CPU: Dual-core
GPU: PowerVR
Memory: Card slot: No
Internal: 64GB
Camera: No
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)
Misc: Colors: Graphite, Silver, Gold, Red
Models: A2982, A2984, A2983, A2985, Watch7,3, Watch7,4