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

Size and Weight
Height: 44mm
Width: 38mm
Depth: 10.7mm
368 by 448 pixels
977 sq mm display area
Weight (GPS + Cellular): 33.0 grams
Fits 140-245mm wrists

Controls
Digital Crown with haptic feedback
Side button
Double tap and wrist flick gestures
Siri with ondevice processing

Chip
S10 chip with 64bit dual core processor
4core 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

Power and Battery Life
Allday battery life, up to 18 hours of normal use
Up to 32 hours in Low Power Mode
Builtin rechargeable lithiumion battery
Fastcharge 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

Safety
Emergency SOS
International emergency calling
Crash Detection
Fall Detection
Noise monitoring
Backtrack

Durability
Water resistance 50m (swimproof)

Connectivity
L1 GPS, GNSS, Galileo, and QZSS
5G and LTE
Wi-Fi 4 (802.11n)
Support for 2.4GHz Wi-Fi networks
Bluetooth 5.3
Apple Pay
GymKit
Support for Apple Watch For Your Kids
International roaming

Compatibility
iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later

What's in the box
In the Box
Apple Watch SE 3
Band
Apple Watch Magnetic Fast Charger to USBC Cable (1m)