Display Type Retina LTPO OLED, 2000 nits (peak)

Size 1.92 inches

Resolution 502 x 410 pixels (~338 ppi density)

Protection Sapphire crystal glass

Always-on display

Platform OS watchOS 9.0, upgradable to watchOS 10.5

Chipset Apple S8

CPU Dual-core

GPU PowerVR

Internal 32GB

Build Sapphire crystal front, ceramic/sapphire crystal back, titanium frame

IP6X certified

100m water resistant (WR100)

40m Swimproof / Diving (EN13319)

MIL-STD 810H certified, ECG certified

Sound Loudspeaker Yes, with dual speakers (86-decibel)

Comms WLAN Wi-Fi 802.11 b/g/n, dual-band

Bluetooth 5.3, A2DP, LE

Positioning GPS (L1+L5), GLONASS, GALILEO, BDS

NFC Yes

Features Sensors Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)

Temperature sensing (0.01˚ accuracy)

Depth gauge (±1m accuracy)

Ultra Wideband (UWB) support

Battery Type Li-Ion 542 mAh, non-removable

Charging Wireless, 0-80% in 60 min (advertised)