About this item

NETWORK    Technology    
GSM / HSPA / LTE
LAUNCH    Announced    2021, September 14
Status    Available. Released 2021, October 15
BODY    Dimensions    45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Weight    42.3 g (41mm), 51.5 g (45mm) (1.48 oz)
Build    Sapphire crystal 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, 1000 nits (peak)
Size    1.9 inches
Resolution    484 x 396 pixels (~326 ppi density)
Protection    Sapphire crystal glass
PLATFORM    OS    watchOS 8.0, upgradable to watchOS 26
Chipset    Apple S7
CPU    Dual-core
GPU    PowerVR
MEMORY    Card slot    No
Internal    32GB 1GB RAM
CAMERA         No
SOUND    Loudspeaker    Yes
3.5mm jack    No
COMMS    WLAN    Wi-Fi 802.11 b/g/n, dual-band
Bluetooth    5.0, 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
Ultra Wideband (UWB) support
BATTERY    Type    Li-Ion 309 mAh (1.19 Wh)
Charging    Wireless, 0-80% in 45 min
MISC    Colors    Graphite, Gold, Silver
Models    A2475, A2476, A2477, A2478, watch6,8, watch6,9
SAR    1.10 W/kg (head)    
SAR EU    0.70 W/kg (head)     1.50 W/kg (body)