Apple Watch Ultra 2 Technical Specifications
Material and Finish
Titanium case, Grade 5
Natural, Black
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 sensor1
- Blood oxygen 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
- Blood Oxygen app29
- ECG app2
- Cycle Tracking app with retrospective ovulation estimates3
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications4
- Medications app
- Mindfulness app with state of mind tracking
- Noise app
- Sleep app including sleep stages
- Sleep apnea notifications5
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
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
- 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)8
- Automatic launch at 1m
- Current and maximum depth duration
- GPS entry and exit points
- Depth gauge
- Water temperature sensor
More Workouts
Durability
- Water resistance 100m under ISO standard 22810:201011
- Dust resistance IP6X under IEC 6052912
- EN13319 recreational scuba diving to 40m (±1m accuracy)
- Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration
Accessibility
Built-in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
- 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
- Audio Volume Balance
- Audio Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
Environmental Requirements
On-wrist operating temperature:
–20° to 55° C (–4° to 130° F)
Operating temperature:
0° to 35° C (32° to 95° F)
Nonoperating storage temperature:
–20° to 45° C (–4° to 113° F)
Dive operating temperature:
0° to 40° C (32° to 104° F)
Relative humidity:
5% to 90% noncondensing
Operating altitude:
–500m to 9000m (–1600 feet to 29,500 feet)
