The aluminum case is lightweight and made from 100 percent recycled aerospace-grade alloy.

The Sport Loop is made from a soft and breathable double-layer nylon weave, with a hook-and-loop fastener
for quick and easy adjustment.

Apple Watch Series 8
41mm or 45mm case
Always-On Retina LTPO OLED display
Up to 1000 nits brightness
Ion-X glass display on aluminum cases
Sapphire crystal display on stainless steel cases
GPS and GPS + Cellular models
S8 SiP with 64-bit dual-core processor
W3 wireless chip
U1 chip (Ultra Wideband)footnote1
Digital Crown with haptic feedback
Accelerometer
Up to 256 g-forces with Fall Detection and Crash Detection
High-dynamic-range gyroscope
Temperature sensing
Blood oxygen sensor and app
Third-generation optical heart sensor
High and low heart rate notifications
International Emergency Calling
Emergency SOS
Crash Detection
Fall Detection
Water resistant 50 meters
Dust resistant (IP6X)
Crack-resistant front crystal
LTE and UMTS
Wi-Fi
Bluetooth 5.0
GPS/GNSS/GLONASS/BeiDou
Compass
Always-on altimeter
Built-in speaker and mic
32GB capacity
Fast charge
Dimensions

Height: 41mm
Width: 35mm
Depth: 10.7mm
Weight: Aluminum 31.9g (GPS)
Weight: Aluminum 32.2g (GPS + Cellular)

Height: 45mm
Width: 38mm
Depth: 10.7mm
Weight: Aluminum 38.8g (GPS)
Weight: Aluminum 39.1g (GPS + Cellular)
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