Apple Watch Series 8 - 41mm Aluminum 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)14
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
Electrical heart sensor and ECG app
Third-generation optical heart sensor
High and low heart rate notifications
Irregular rhythm notification
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 5.3
GPS/GNSS/GLONASS/BeiDou
Compass
Always-on altimeter
Built-in speaker and mic
32GB capacity
Fast charge