Apple Watch Ultra 4 GPS + Cellular, 49mm Black Titanium Case with Black Titanium Milanese Loop - S

Apple Watch Ultra 4 is Apple’s ultimate sports and adventure smartwatch, built around a rugged 49mm Grade 5 titanium case in Black and paired here with the Black Titanium Milanese Loop (Size S) for a secure, infinitely adjustable fit. Designed for demanding training and off‑grid exploration, Ultra 4 combines GPS + Cellular connectivity with precision dual‑frequency GPS for highly accurate outdoor tracking, plus a bright Always‑On Retina display (up to 3000 nits) protected by flat sapphire crystal. Powered by the S11 chip and Apple’s new Health Sensing System, it delivers advanced health and fitness insights including high‑frequency HRV readings and a personal readiness score to help you decide when to push or recover. With multi‑day battery performance (up to 50 hours of normal use and up to 45 hours of Max Extended Workout tracking) and fast charging, Ultra 4 is engineered to keep up with long days, long runs, and big adventures—while offering robust durability, water resistance, and safety features for peace of mind.