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Specifications
Processor
S7 SiP (64-bit dual-core processor)
Display
Always-On Retina LTPO OLED (41mm: 352×430 pixels / 45mm: 396×484 pixels), up to 1000 nits brightness
Battery
Battery Life:Up to 18 hours (typical usage)
Charging:USB-C Magnetic Fast Charging (up to 33% faster than Series 6)
Sensors
Electrical Heart Sensor (ECG app), 3rd Gen Optical Heart Sensor, Blood Oxygen Sensor, Always-on Altimeter, Accelerometer (Fall Detection), Gyroscope, Ambient Light Sensor, Compass
Water Resistance
50 meters (swimproof, ISO 22810:2010)
Connectivity
Bluetooth 5.0, Wi-Fi (2.4GHz), GPS (L1, GLONASS, Galileo, QZSS, BeiDou), Ultra Wideband (U1 chip)
Physical Aspects
Design:41mm & 45mm sizes; aluminum or stainless steel cases; Ion-X glass (aluminum) or sapphire crystal (steel); ceramic & sapphire back; Digital Crown with haptic feedback
Weight:32.0g (41mm aluminum) to 51.5g (45mm stainless steel)