Apple Watch Series 9 Technical Specifications
Aluminium case
Pink, Midnight, Starlight, Silver, (PRODUCT)RED
Stainless steel case
Gold, Silver, Graphite
- Height: 45mm
- Width: 38mm
- Depth: 10.7mm
- Weight (aluminium, GPS):
38.7 grams - Weight (aluminium, GPS + Cellular):
39.0 grams - Weight (stainless steel):
51.5 grams - Fits 140–245mm wrists
- Height: 41mm
- Width: 35mm
- Depth: 10.7mm
- Weight (aluminium, GPS):
31.9 grams - Weight (aluminium, GPS + Cellular):
32.1 grams - Weight (stainless steel):
42.3 grams - Fits 130–200mm wrists
Digital Crown
Microphone
Side button
Electrical
heart sensor
Speaker / air vent
Optical heart sensor
- Digital Crown with haptic feedback
- Side button
- Double tap gesture
- Siri with on‑device processing
- S9 SiP with 64‑bit dual‑core processor
- 4‑core Neural Engine
- 64GB capacity
- Electrical heart sensor
- Third‑generation optical heart sensor
- Temperature sensing1
- Compass
- Always‑on altimeter
- High‑g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
- Always‑On Retina LTPO OLED display
- Edge‑to‑edge display
- Ion‑X front glass (aluminium cases)
- Sapphire front crystal (stainless steel cases)
- Up to 2,000 nits maximum brightness
- 1 nit minimum brightness
- 326 pixels per inch
![](/v/apple-watch-series-9/d/images/specs/icon_running__dc9nfbkw4wgi_large.png)
- Custom interval workouts
- Customisable Workout Views
- Heart Rate Zones
- Race Route
- Stride length, ground contact time and vertical oscillation
- Automatic track detection
- Multisport workout
![](/v/apple-watch-series-9/d/images/specs/icon_hiking__f6nstlx0qle2_large.png)
- Bearing, incline, elevation and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Topographic maps for over 1,000 national and regional parks (US only)
![](/v/apple-watch-series-9/d/images/specs/icon_cycling__dip8oz70j7ma_large.png)
- Average speed, elevation gained and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
![](/v/apple-watch-series-9/d/images/specs/icon_swimming__dclomnvwg9me_large.png)
- Pool swim or open water swim
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard
- Average pace, total distance and lengths
Built‑in accessibility features supporting vision, mobility, hearing and cognitive disabilities.
- 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
- Audio Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
0° to 35° C (32° to 95° F)
−20° to 45° C (−4° to 113° F)
5% to 90% non-condensing
0 to 3,000 metres (0 to 10,000 feet)