Hardware and Buttons
Digital Crown
Microphone
Side button
Speaker/air vent
Optical heart sensor
Controls
Digital Crown with haptic feedback
Side button
Double tap and wrist flick gestures
Siri with on-device processing
Chip
S10 chip with 64-bit dual-core processor
4-core Neural Engine
64GB capacity
Sensors
Second-generation optical heart sensor
Temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
Health and Wellness
Cycle Tracking app with retrospective ovulation estimates
Heart Rate app
High and low heart rate notifications
Irregular rhythm notifications
Medications app
Mindfulness app
Noise app
Sleep app including sleep stages
Sleep score
Sleep apnea notifications
Battery
All-day battery life, up to 18 hours of normal use
Up to 32 hours in Low Power Mode
Up to 7 hours outdoor workout
Built-in rechargeable lithium-ion battery
Fast-charge capable
Up to 80% charge in about 45 minutes
15 minutes for up to 8 hours of normal use
8 minutes for up to 8 hours of sleep tracking
Operating System
watchOS
Apps and features designed to keep you active, healthy, safe, and connected.
Durability
Water resistance 50m (swimproof)
Accessibility
Built-in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
Display
Always-On Retina display with OLED and LTPO
Tough Ion-X front glass with 4x crack resistance
Up to 1000 nits peak brightness
2 nits minimum brightness
326 pixels per inch
Apple Intelligence and Siri AI
The next generation of Apple Intelligence is centered around you, integrated into your apps, and built with privacy. Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational, and powerful, along with helpful features across apps.
Audio
Speaker
Microphone
Media playback
Connectivity
GPS + Cellular