Apple Watch Ultra 4 GPS + Cellular | 49mm Black / Alpine Loop / Small

Meet the Apple Watch Ultra 4, Apple's ultimate sports and adventure smartwatch, engineered with a rugged titanium design, advanced health sensing and extended battery life. Powered by the S11 chip and Apple's new Health Sensing System, Apple Watch Ultra 4 provides higher-frequency heart-rate and HRV measurements alongside the new Readiness experience, helping you better understand training, recovery and everyday activity. The large 49mm Always-On Retina display uses wide-angle OLED technology and reaches an impressive 3,000 nits peak brightness, while the flat sapphire crystal provides enhanced durability. The titanium case is available in Natural and Black finishes. Built for demanding environments, Ultra 4 features WR100 water resistance, is suitable for recreational scuba diving to 40 metres, has IP6X dust resistance and is MIL-STD-810H tested. Precision dual-frequency GPS helps provide accurate positioning for running, cycling, hiking and outdoor adventures. Battery life is one of Ultra 4's biggest advantages, delivering up to 50 hours of normal use, up to 84 hours in Low Power Mode and up to 45 hours of Max Extended Workout tracking. Apple S11 chip 64GB storage GPS + Cellular 5G and LTE connectivity Precision dual-frequency GPS Always-On Retina display Wide-angle OLED with LTPO3 3,000 nits peak brightness Flat sapphire crystal display New Health Sensing System High-frequency heart-rate monitoring HRV and Recovery tracking New Readiness app Vitals app ECG Blood Oxygen Sleep tracking and Sleep Score Sleep apnea notifications Hypertension Notifications* Wrist temperature sensing Customizable Action button