Model NameApple Watch Ultra 2
Dimensions49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)
Weight61.4 g (2.15 oz)
TECH SPECS49mm case
Aerospace-grade titanium
Dual speakers
Three-microphone array with beamforming and wind noise mitigation
CONTROLCustomisable Action button
Digital Crown with haptic feedback
Side button
Double tap gesture^
DISPLAYAlways-On Retina LTPO OLED display
Flat sapphire crystal display
Up to 3,000 nits maximum brightness
1 nit minimum brightness
CHIPS9 SiP with 64-bit dual-core processor
4-core Apple Neural Engine
64GB capacity
SENSORSBlood oxygen sensor and app
Electrical heart sensor and ECG app
Third-generation optical heart sensor
High and low heart rate notifications
Irregular rhythm notifications
Sleep stages
Temperature sensing
Depth gauge ±1m accuracy and app
Water temperature sensor
Compass with Waypoints and Backtrack
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
Electrical heart sensor and ECG app
Third-generation optical heart sensor
High and low heart rate notifications
Irregular rhythm notifications
Sleep stages
Temperature sensing
Depth gauge ±1m accuracy and app
Water temperature sensor
Compass with Waypoints and Backtrack
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
SAFETYEmergency SOS
International emergency calling
Siren
Crash Detection
Fall Detection
Splash, Water and DustWater resistance 100m (swimproof)
Dust Resistance IP6X18
EN13319 recreational scuba diving to 40m
Tested to MIL-STD 810H
CONNECTIVITY AND COMMUNICATIONPrecision dual-frequency GPS
POWER AND BATTERY LIFEBuilt-in rechargeable lithium-ion battery
Up to 36 hours normal use
Up to 72 hours in Low Power Mode
USB-C magnetic fast-charging cable
ENVIRONMENTAL REQUIREMENTSOn-wrist operating temperature; −20°C to 55°C (−4°F to 130°F)
Operational temperature; 0°C to 35°C (32°F to 95°F)
Non-operational storage temperature; −20°C to 45°C (4°F to 113°F)
Dive operating temperature; 0°C to 40°C (32°F to 104°F)
Relative humidity; 5% to 90% non‑condensing
Operating Altitude; -500 m to 9,000 m (-1,600 feet to 29,500 feet)
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