Apple Watch Ultra 4 is an Apple smartwatch built for advanced health tracking, fitness training, sports, hiking, diving, and everyday connected use. Its Health Sensing System uses redesigned optical and electrical sensors with the S11 chip to provide higher-frequency heart monitoring, including background heart...

The Apple Watch Ultra 3 is a rugged, high-performance smartwatch designed for adventurers, athletes, and users who want top-tier features and durability. It is equipped with a 49 mm Grade 5 titanium case, offered in Natural and Black finishes. A large Always-On Retina display...