GPS + Cellular

Features
 
L1 GPS, GLONASS, Galileo, QZSS and BeiDou
Compass
Always-on altimeter
Water resistant 50 metres
Certified IP6X dust resistant
Blood oxygen sensor(Blood Oxygen app)
Electrical heart sensor(ECG app)
Third-generation optical heart sensorInternational emergency calling
Emergency SOS
High-g accelerometerUp to 256 g-forces with Fall Detection and Crash Detection
High dynamic range gyroscope
Ambient light sensor
Speaker
Microphone
Apple Pay
GymKit
Capacity 32GB
Ceramic and sapphire crystal back
 
Display
 
45mm396x484 pixels
1,143 sq mm display area
41mm352x430 pixels
904 sq mm display area
Always-On Retina
LTPO OLED display
Up to 1,000 nits brightness