Build | Glass front, ceramic/sapphire crystal back, stainless steel frame |
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) | |
Type | Retina LTPO OLED, 2000 nits (peak) |
Size | 1.9 inches |
Resolution | 484 x 396 pixels (~326 ppi density) |
Protection | Sapphire crystal glass |
Always-on display | |
OS | watchOS 10, upgradable to watchOS 10.5 |
Chipset | Apple S9 |
CPU | Dual-core |
GPU | PowerVR |
Card slot | No |
Internal | 64GB |
Loudspeaker | Yes |
3.5mm jack | No |
WLAN | Wi-Fi 802.11 b/g/n, dual-band |
Bluetooth | 5.3, A2DP, LE |
Positioning | GPS, GLONASS, GALILEO, QZSS, BDS |
NFC | Yes |
Radio | No |
USB | No |
Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) |
Temperature sensing (0.01˚ accuracy) Ultra Wideband 2 (UWB) support | |
Type | Li-Ion 308 mAh, non-removable |
Charging | Wireless, 0-80% in 45 min (advertised) |
Workouts and Activity
Running
- Custom interval workouts
- Customizable Workout Views
- Heart Rate Zones
- Race Route
- Stride length, ground contact time, and vertical oscillation
- Automatic track detection
- Multisport workout
Hiking
- Bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Topographic maps for over 1000 national and regional parks (U.S. only)
Cycling
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
Swimming
- Pool swim or open water swim
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard
- Average pace, total distance, and laps
More Workouts
Walk
Elliptical
Rower
Stair Stepper
HIIT
Yoga
Functional Strength Training
Dance
Cooldown
Core Training
Pilates
Tai Chi
Wheelchair
Kickboxing
Multisport
Other
Workouts and Activity
Running
- Custom interval workouts
- Customizable Workout Views
- Heart Rate Zones
- Race Route
- Stride length, ground contact time, and vertical oscillation
- Automatic track detection
- Multisport workout
Hiking
- Bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Topographic maps for over 1000 national and regional parks (U.S. only)
Cycling
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
Swimming
- Pool swim or open water swim
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard
- Average pace, total distance, and laps
More Workouts
Walk
Elliptical
Rower
Stair Stepper
HIIT
Yoga
Functional Strength Training
Dance
Cooldown
Core Training
Pilates
Tai Chi
Wheelchair
Kickboxing
Multisport
Other