Apple Watch Ultra 4 GPS + Cellular 49mm Black Titanium Case with Translucent Black Ocean Band - MJAY4AF/A

Apple

Smart watch

Apple Watch Ultra 4

Translucent Black

Ocean Band (Fits 130–210mm Wrists)

Black Titanium

63g

Always-On Retina display with wide-angle OLEDs and LTPO3 1Hz refresh

422 × 514 pixels

326 pixels per inch

Flat sapphire crystal display

Up to 3,000 nits

1 nit

Night Mode for Apple Watch Ultra faces including Modular Ultra, Wayfinder, and Orienteering

5G

Wi-Fi 4 (802.11n), support for 2.4GHz and 5GHz Wi-Fi networks

Bluetooth 5.3

Precision Dual-frequency GPS with GPS, Galileo, QZSS, and BeiDou

Second-generation Ultra Wideband Chip

Customizable Action Button, Digital Crown with Haptic Feedback, Side Button, Single Tap, Double Tap, and Wrist Flick Gestures

Siri Powered by Apple Intelligence

Water Resistance 100m (Swim, Snorkel, Scuba, High-Speed Water Sports) under ISO Standard 22810:2010

IP6X under IEC 60529

EN13319 Recreational Scuba Diving to 40m (±1m Accuracy)

S11 Chip with 64-bit Dual-Core Processor

4-Core Neural Engine

64GB capacity

watchOS

Health Sensing System: Third-generation Electrical Heart Sensor, Always-On Optical Heart Sensor, Blood Oxygen Sensor, Temperature Sensor, Depth Gauge, Water Temperature Sensor, Compass, Always-On Altimeter, High-G Accelerometer, High Dynamic Range Gyroscope, Ambient Light Sensor

Built-in Rechargeable Lithium-ion Battery

Multiday Battery Life, up to 50 Hours of Normal Use, Up to 84 Hours in Low Power Mode, Up to 18 Hours Outdoor Workout, Up to 25 Hours Extended Workout, Up to 45 Hours Max Extended Workout

Three-Microphone Array with Beamforming and Wind Noise Mitigation, Dual Speakers, Media Playback, Siren

Readiness App, Vitals App

Heart Rate, Respiratory Rate, Wrist Temperature, Blood Oxygen, Sleep Duration, and Heart Rate Variability (HRV)

High-frequency Background Heart Rate Tracking

Advanced Cycle Tracking with Fertile Window, Ovulation Estimates and Menopause Support

49 mm × 44 mm × 12 mm