Apple Watch Ultra 4

Case Material: Grade 5 titanium (available in Natural and Black finishes) Dimensions & Weight: 49 × 44 × 12 mm; weighs 63g (Natural) or 63.1g (Black) Display: 422 × 514 pixels (1,245 sq mm), flat sapphire crystal display, LTPO3 OLED, 3,000 nits peak brightness, 1 nit minimum brightness Controls: Action button, Digital Crown, and Side button Durability: 100m water resistance (WR100), EN13319 certified for recreational scuba diving down to 40 meters, IP6X dust resistance, and MIL-STD 810H certification Chipset: Apple S11 64-bit dual-core processor with a 4-core Neural Engine Storage: 64GB internal storage Connectivity: Wi-Fi, Bluetooth 5.3, dual-frequency GPS, Ultra Wideband (UWB gen2), and optional cellular (5G RedCap / LTE) Audio & Safety: Dual speakers, a 3-microphone array with beamforming, an 86-decibel siren, and built-in satellite communications (Emergency SOS, Messages, Find My)