Size and Weight
Weight (titanium): 41.7?grams
Weight (titanium): 34.4?grams
Chip
S10 SiP with 64?bit dual core processor
Features
Faster on-device Siri with health data access
Precision Finding for iPhone1?
High and low heart rate notifications
Third?generation optical heart sensor
High dynamic range gyroscope
Mindfulness app with state of mind tracking
Sleep app including sleep stages
Display
LTPO3 OLED Always?On Retina display
Up to 40% brighter when viewed at an angle
Ion?X front glass (aluminium cases)
Sapphire front crystal (titanium cases)
Up to 2,000 nits maximum brightness
Connectivity
L1 GPS, GLONASS, Galileo, QZSS and BeiDou
Second-generation Ultra Wideband chip1?
Power and Battery
All?day battery life, up to 18 hours of normal use3
Up to 36 hours in Low?Power?Mode3
Built?in rechargeable lithium?ion battery
Up to 80% charge in about 30 minutes?
15 minutes for up to 8?hours of normal use
8 minutes for up to 8?hours of sleep tracking