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