Apple Watch Ultra 3

Apple Watch Ultra 3 – Full Specifications

Design & Build

• Case Material: Titanium (available in natural and black finishes)

• Case Size: 49 mm

• Weight: Approximately 61.3 grams

• Display:

  • Type: LTPO3 OLED

  • Always-On Retina display

  • Brightness: Up to 3000 nits peak brightness

  • Sapphire crystal front cover

  • Wide-angle viewing with reduced bezel for enhanced screen area

Performance

• Processor: S10 SiP (System in Package)

• Storage: 32 GB

• Connectivity:

  • GPS + Cellular (5G support)

  • Bluetooth 5.3

  • Wi-Fi 4 (802.11n)

  • Satellite communication for emergency messaging and location sharing

Sensors & Health Features

• Sensors:

  • Dual-frequency GPS

  • Barometric altimeter

  • Compass

  • Accelerometer (up to 32 g-forces)

  • Gyroscope

  • Ambient light sensor

• Health Monitoring:

  • ECG (Electrocardiogram)

  • Blood oxygen monitoring

  • Wrist temperature sensing

  • Sleep tracking with Sleep Score

  • Blood pressure notifications

  • Fall Detection

  • Crash Detection

  • Emergency SOS

  • International emergency calling

Battery & Charging

• Battery Life:

  • Up to 42 hours of normal use

  • Up to 72 hours in Low Power Mode

  • Up to 14 hours of continuous outdoor workout with full GPS and heart rate monitoring

• Charging:

  • Fast charging: Up to 12 hours of use in 15 minutes

  • Magnetic fast charger with USB-C

Durability & Safety

• Water Resistance: WR100 (water-resistant up to 100 meters)

• Dust Resistance: IP6X (dust-resistant)

• Build: Rugged titanium case with sapphire crystal display

• Safety Features:

  • Siren (audible up to 180 meters away)

  • Flashlight with adjustable brightness

  • Compass Waypoints

  • Offline maps for navigation

  • Medical ID

Software & Features

• Operating System: watchOS 26

• Key Features:

  • AI-powered "Workout Buddy" for personalized exercise coaching

  • Liquid Glass UI for a transparent aesthetic

  • Gesture controls: Double-tap and wrist-flick

  • Offline maps and waypoint creation

  • Enhanced Smart Stack for widgets

  • Live translation support

  • Customizable watch faces: Flow and Exactograph