Apple Watch SE Technical Specifications
Material and Finish
Aluminium case
Midnight, Starlight, Silver
Size and Weight
- Height: 44 mm
- Width: 38 mm
- Depth: 10.7 mm
- 368x448 pixels
- 977 sq mm display area
- Weight (GPS):
32.9 g - Weight (GPS + Cellular):
33 g - Fits 140–245 mm wrists
- Height: 40 mm
- Width: 34 mm
- Depth: 10.7 mm
- 324x394 pixels
- 759 sq mm display area
- Weight (GPS):
26.4 g - Weight (GPS + Cellular):
27.8 g - Fits 130–200 mm 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
Display
- Retina LTPO OLED display
- Ion-X front glass
- Up to 1,000 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 workouts
- Customisable Workout Views
- Training load
- Heart Rate Zones
- Race Route
- Pacer
- 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
- Topographic maps for thousands of national and regional parks (US only)
- Hundreds of curated hikes across all 63 US national parks
- 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
- Custom workouts for pool swims
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard detection
- Average pace, total distance and laps
More Workouts
Durability
Water resistance 50 m (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
- Colour 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
- Auto Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
Environmental Requirements
Operating temperature:
0° to 35° C (32° to 95° F)
Non-operating storage temperature:
–20° to 45° C (–4° to 113° F)
Relative humidity:
5% to 90% non-condensing
Operating altitude:
0 to 3,000 m (0 to 10,000 ft)
