Material and Finish
- Titanium case, Grade 5
- Natural,
- Black
Size and Weight
- Height: 49mm
- Width: 44mm
- Depth: 14.4mm
- 410 by 502 pixels
- 1185 sq mm display area
- Weight (natural): 61.4 grams
- Weight (black): 61.8 grams
- Fits 130–210mm wrists
Hardware and Buttons
- Microphone
- Speaker
- Customizable Action button
- Siren/Speaker
- GPS antennas
- Microphone
- Side button
- Microphone
- igital 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 sensor1
- 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 app2
- Cycle Tracking app with retrospective ovulation estimates3
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications4
- Medications app
- Mindfulness app with state of mind tracking
- Noise app
- Sleep app including 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 using Modular Ultra or Wayfinder watch face
Audio
- Three-microphone array with beamforming and wind noise mitigation
- Dual speakers
- Media playback
Power and Battery Life
- Multiday battery life, up to 36 hours of normal use 6
- Up to 72 hours in Low Power Mode6
- Built-in rechargeable lithium-ion battery
- Fast-charge capable7
- Up to 80% charge in about 1 hour 7
Operating System
- Watch OS 11
- Watch OS is the world’s most advanced wearable operating system, with apps and features designed to keep
- you active, healthy, safe, and connected.