Apple Watch Ultra 4 Titanium Case | Ocean Band Translucent Black | Retina Display with Wide Angle OLED | Dust Resistance IP6X Water Resistance | WatchOS | Wind Noise Mitigation | Dual Speakers

Brand Apple Model Apple Watch Ultra 4 Material and Finish Titanium Case Display Always On Retina display with wide angle OLEDs and LTPO3 | 1Hz refresh | Active area 422x514 pixels, 326 pixels per inch | 3,000 nits peak brightness Size and Weight Height: 49 mm | Width: 44 mm | Depth: 12 mm Weight (natural): 63.0 g | Weight (black): 63.1 g Hardware and Buttons Microphone | Speaker | Health Sensing System | Customisable Action button | Siren/Speaker | Antennas (GPS, cellular) | Microphone | Side button | Microphone | Digital Crown | Depth gauge / Water temperature sensor / Altimeter Controls Customisable Action button | Digital Crown with haptic feedback | Side button | Single tap, double tap and wrist flick gestures | Siri powered by Apple Intelligence Chip S11 chip with 64-bit dual-core processor | Audio Intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition) | 4-core Neural Engine | 64GB capacity Apple Intelligence and Siri AI The next generation of Apple Intelligence is centred around you, integrated into your apps and built with privacy. Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational and powerful, along with helpful features across apps. Sensors Depth gauge | Water temperature sensor | Compass | Always on altimeter | High g accelerometer | High-dynamic-range gyroscope | Ambient light sensor Audio Three-microphone array with beamforming and wind noise mitigation | Dual speakers | Media playback | Siren Power and Battery Life Multi-day 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 80% charge in about 45 minutes Operating System watchOS Workouts and Activity Running | Hiking | Cycling | Swimming | Diving Safety Emergency SOS | International emergency calling | Siren | Torch | Fall Detection | Crash Detection | Last Emergency Call Availability Waypoint | Noise monitoring | Backtrack | Check In Durability Dust resistance IP6X under IEC | Water resistance 100 m (swim, snorkel, scuba, high-speed water sports) under ISO standard Connectivity Wi Fi 4 (802.11n) | Bluetooth 5.3 | Precision dual frequency GPS Compatibility iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later In the Box Apple Watch Ultra 4 | Strap | Apple Watch Magnetic Fast Charger to USB C Cable (1 m)