Sensors: Ambient Light Sensor Digital Compass Gesture Electrical Heart Sensor Blood Oxygen High Dynamic Range Gyro High-g Accelerometer Temperature Sensor Third-generation Optical Heart Sensor Depth Gauge with Water Temperature Sensor
In the Box: Magnetic Fast Charger to USB‑C Cable (1m) Band Apple Watch Ultra 3
Features that Reduce Environmental Impact: 100% recycled tungsten in the Taptic Engine 100% recycled rare earth elements in all magnets 100% fiber-based packaging 80% recycled steel in the speaker yoke and Taptic Engine No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program 100% recycled cobalt and 95% recycled lithium in the battery 100% recycled gold plating and tin solder in all Apple-designed printed circuit Meets California Energy Commission’s energy efficiency standards for battery charger systems 100% recycled titanium in the titanium case 100% of manufacturing electricity for Apple Watch Ultra 3 is sourced from renewable electricity
Platform: Watch OS
Voice Assistant Support: Siri
Depth (mm): 12 mm
Height (mm): 49 mm
Width (mm): 44 mm
Nominal Weight: 61.8 g
Maximum Operating Ambient Temperature: 55 °C
Maximum Non-Operating Ambient Temperature: 45 °C
Minimum Operating Ambient Temperature: -20 °C
Minimum Non-Operating Ambient Temperature: -20 °C
Max. Altitude Operating: 9000 m
Protection From Enviromental Effects: Water Resistance: 100 m
Notifications: High and Low Heart Rate Notifications Irregular Heart Rhythm Notification Sleep apnoea notifications
