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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
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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
Depth gauge ±1m accuracy
Water temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
Health and Wellness
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
Power and Battery Life
Multiday battery life, up to 36 hours of normal use6
Up to 72 hours in Low Power Mode6
Built-in rechargeable lithium-ion battery
Fast-charge capable7
Up to 80% charge in about 1 hour7