Size and Weight
- Height: 49mm
- Width: 44mm
- Depth: 14.4mm
- 410 x 502 pixels display
- 1185 sq mm display area
- Weight (black): 61.8g
- Fits wrists: 130–220mm
Hardware and Buttons
- Microphone
- Speaker
- Customizable Action button
- Siren/Speaker
- GPS antennas
- Side button
- Digital Crown
- Depth gauge/water temperature sensor
Controls
- Customizable Action button
- Digital Crown with haptic feedback
- Side button
- Double tap gesture
- Siri with on-device processing
Chip
- S9 SiP with 64-bit dual-core processor
- 4-core Neural Engine
- 64GB capacity
Sensors
- Electrical heart sensor
- Third-generation optical heart sensor
- Temperature sensor
- Depth gauge (±1m accuracy)
- Water temperature sensor
- Compass
- Always-on altimeter
- High-g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
Health and Wellness
- ECG app
- Cycle Tracking app (retrospective ovulation estimates)
- Heart Rate app
- High/low heart rate notifications
- Irregular rhythm notifications
- Medications app
- Mindfulness app with state of mind tracking
- Noise app
- Sleep app (includes sleep stages)
- Sleep apnea notifications
Display
- Always-On Retina LTPO2 OLED display
- Flat sapphire crystal display
- Up to 3000 nits maximum brightness
- 1 nit minimum brightness
- 326 pixels per inch
- Night Mode (Modular Ultra or Wayfinder watch face)
Audio
- Three-microphone array with beamforming and wind noise mitigation
- Dual speakers
- Media playback
Power and Battery Life
- Up to 36 hours of normal use
- Up to 72 hours in Low Power Mode
- Built-in rechargeable lithium-ion battery
- Fast-charge capable (Up to 80% in 1 hour)
Operating System
- watchOS 11
- World’s most advanced wearable OS, keeping you active, healthy, safe, and connected
Water and Dust Resistance
- Water-resistant to 100m (ISO standard 22810:2010)
- Dust-resistant (IP6X under IEC 60529)
Connectivity
- LTE and UMTS
- L1+L5 Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou)
- Wi-Fi 4 (802.11n)
- Bluetooth 5.3
- Second-generation Ultra Wideband chip
Additional Features
- Apple Pay
- GymKit
- Support for Apple Watch For Your Kids
- International roaming
