Apple Watch SE Technical Specifications
Material and Finish
Aluminum case
Midnight, Starlight, Silver
Size and Weight
- Height: 44mm
- Width: 38mm
- Depth: 10.7mm
- Weight (GPS):
32.9 grams - Weight (GPS + Cellular):
33 grams - Fits 140–245mm wrists
- Height: 40mm
- Width: 34mm
- Depth: 10.7mm
- Weight (GPS):
26.4 grams - Weight (GPS + Cellular):
27.8 grams - Fits 130–200mm wrists
Hardware and Buttons
Digital Crown
Microphone
Side button
Speaker/air vent
Optical heart sensor
Controls
- Digital Crown with haptic feedback
- Side button
- Siri
Chip
- S8 SiP with 64-bit dual-core processor
- 2-core Neural Engine
- 32GB capacity
Sensors
- Second-generation optical heart sensor
- Compass
- Always-on altimeter
- High-g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
Health and Wellness
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications1
- Medications app
- Mindfulness app
- Noise app
- Sleep app including sleep stages
Display
- Retina LTPO OLED display
- Ion-X front glass
- Up to 1000 nits maximum brightness
- 326 pixels per inch
Power and Battery Life
- All-day battery life, up to 18 hours of normal use2
- Built-in rechargeable lithium-ion battery
- Up to 80% charge in about 1.5 hours3
- Learn more
Workouts and Activity
- Custom interval workouts
- Customizable Workout Views
- Heart Rate Zones
- Race Route
- Stride length, ground contact time, and vertical oscillation
- Automatic track detection
- Multisport workout
- 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)
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
- Pool swim or open water swim
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard
- Average pace, total distance, and laps
More Workouts
Durability
Water resistance 50m (swimproof)6
Accessibility
Built-in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
Learn more- VoiceOver
- Zoom
- On/Off Labels
- Reduce Transparency
- Increase Contrast
- Color Filters
- Text Size
- Bold Text
- Reduce Motion
- Hourly Chimes
- AssistiveTouch
- Button Click Speed
- Touch Accommodations
- Auto-Answer Calls
- Type to Siri
- RTT Support
- Audio Volume Balance
- Audio Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
Environmental Requirements
Operating temperature:
32° to 95° F (0° to 35° C)
Nonoperating storage temperature:
–4° to 113° F (–20° to 45° C)
Relative humidity:
5% to 90% noncondensing
Operating altitude:
0 feet to 10,000 feet (0m to 3000m)
