DISPLAY Type Retina LTPO OLED, 2000 nits (peak)

Size 1.9 inches

Resolution 484 x 396 pixels (~326 ppi density)

Build Glass front, ceramic/sapphire crystal back, stainless steel frame

IP6X certified 50m water resistant

ECG certified, HW certified

Protection Sapphire crystal glass

Always-on display

PLATFORM OS watchOS 10, upgradable to watchOS 10.2

Chipset Apple S9

CPU Dual-core

GPU PowerVR

Internal 64GB

SOUND Loudspeaker Yes

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

Bluetooth 5.3, A2DP, LE

Positioning GPS, GLONASS, GALILEO, QZSS, BDS

NFC Yes

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

Temperature sensing (0.01˚ accuracy)

Ultra Wideband 2 (UWB) support

BATTERY Type Li-Ion 308 mAh, non-removable

Charging Wireless, 0-80% in 45 min (advertised)