Description
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
- 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 with retrospective ovulation estimates
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications
- 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
- Up to 72 hours in Low Power Mode
- Built-in rechargeable lithium-ion battery
- Fast-charge capable
- Up to 80% charge in about 1 hour
Workouts and Activity
- Custom workouts
- Customizable Workout Views
- Training load
- Heart Rate Zones
- Race Route
- Pacer
- Precision Start using Action button
- Stride length, ground contact time, and vertical oscillation
- Automatic track detection
- Multisport workout
- Compass with bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Offline maps with custom route creation
- Elevation alerts
- Topographic maps for thousands of national and regional parks (U.S. only)
- Hundreds of curated hikes across all 63 U.S. national parks
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
- Custom workout for Pool Swim
- Splits and auto sets
- SWOLF score
- Stroke type tracking
- Automatic stroke detection
- Kickboard detection
- Average pace, total distance, and laps
- Recreational dive to 40m
- Dive computer app (available on the App Store)
- Automatic launch at 1m
- Current and maximum depth duration
- GPS entry and exit points
- Depth gauge
- Water temperature sensor
