Apple Watch Ultra
49mm Titanium case
Action button
Digital Crown with haptic feedback
Side button
Dual speakers
Three-microphone array
S8 SiP with 64-bit dual-core processor
 
Display:
Always-On Retina LTPO OLED
Flat sapphire crystal display
Up to 2,000 nits
 
Sensors:
Depth gauge ±1m accuracy
Water temperature sensor
Temperature sensing
Blood oxygen sensor and app
Electrical heart sensor and ECG app
Third-generation optical heart sensor
High and low heart rate notifications
Irregular rhythm notification
Compass
Always-on Altimeter
 
Safety:
Emergency SOS
Siren
Crash Detection
Fall Detection
 
Splash, Water and Dust resistance:
Water Resistance 100m
Dust Resistance IP6X
EN13319 recreational scuba diving to 40m
Tested to MIL-STD 810H: altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration.
 
Connectivity and Communication:
Precision dual-frequency GNSS: GPS, GNSS, Galileo, BeiDou
802.11b/g/n 2.4GHz and 5GHz
Bluetooth 5.3
U1 chip (Ultra Wideband)11
 
Storage capacity:
32GB
 
Environmental Requirements:
On-wrist operating temperature: −20°C to 55°C (−4°F to 130°F)12
Operational Temperature (Boot/Charge): 0°C to 35°C (32°F to 95°F)12
Non-operational storage temperature: −20°C to 45°C (4°F to 113°F)12
Dive operating temperature: 0°C to 40°C (32°F to 104°F)12
Relative Humidity: 5% to 90% non‑condensing12
 
Dimensions
Height: 49mm
Width: 44mm
Depth: 14.4mm
Case Weight: 61.3g