Voice Assistant
Voice Assistant Support
Siri AI
Basic Information
Series
Apple Watch Ultra 4 GPS + Cellular
Specifications
Watch Case Form
Rounded Rectangle
Strap
Burgundy Trail Loop
Watch Features
Fall Detection
Digital Crown with Haptic Feedback
Emergency SOS
Apple Pay
Noise Monitoring
GymKit
ECG App
International Emergency Calling
Fast Charge
Crash Detection
Double tap
4‑core Neural Engine
Medications app
Mindfulness app with state of mind tracking
Sleep app including sleep stages
Media playback
Backtrack
Phone Calls
Messages
Customizable Action Button
Multisport Mode
Dual Speakers
Noise app
Blood Oxygen app
Heart Rate app
Sleep score
Flashlight
Siren
Last Emergency Call Availability Waypoint
Apple Intelligence
Readiness app
Recovery HRV
Check In
High-frequency Background Heart Rate Tracking
Vitals app with heart rate, respiratory rate, wrist temperature, sleep duration, and heart rate variability (HRV)
Advanced Cycle Tracking app with fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support
Three-microphone array with beamforming and wind noise mitigation
Find My
Connectivity
GPS + Cellular
Display
Display Resolution
422x514
Display Technology
OLED LTPO
Display Features
1 nit minimum brightness
Night Mode
Always‑On Retina display with wide‑angle OLEDs and LTPO3
3000 nits Peak Brightness
Flat Sapphire Crystal Display
1Hz refresh
Display Touchscreen
Capacitive
Memory
Internal Memory Size
64 GB
Interfaces
Wi-Fi
IEEE 802.11n Wi-Fi 4
Battery
Battery Technology
Lithium Ion
Standby Time
Up to 84 hours
Miscellaneous
Sensors
Ambient Light Sensor
Digital Compass
High-g Accelerometer
Temperature Sensor
Depth Gauge with Water Temperature Sensor
Blood Oxygen
Gesture
High dynamic range gyroscope
Second‑generation Electrical Heart
Always‑on Optical Heart Sensor
Always‑on Altimeter
Features that Reduce Environmental Impact
100% recycled cobalt and 95% recycled lithium in the battery
100% fiber-based packaging
No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program
100% recycled titanium in the titanium case
100% recycled copper wire and recycled tungsten in the Taptic Engine
100% recycled gold plating and tin solder in all Apple‑designed printed circuit boards
45% recycled content
80% recycled steel in the battery enclosure and Taptic Engine components
100% of manufacturing electricity for Apple Watch Ultra 4 is sourced from renewable electricity
100% of expected customer energy use matched with renewable electricity
In the Box
Band
Magnetic Charger to USB-C Cable (1m)
Apple Watch Ultra 4
Dimensions & Weight Device
Environment
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
Warranty
Warranty Products Returnable
No
Warranty Term (month)
0 month(s)