Apple Watch Ultra 4 - GPS + Cellular - 49mm - Black Titanium Case w/ Black Titanium Milanese Loop (M)

Engineered for the extremes, the Apple Watch Ultra 4 GPS + Cellular in a 49mm Black Titanium case is the ultimate tool for athletes and adventurers. This rugged yet sophisticated smartwatch pairs its premium, lightweight titanium build with a secure Black Titanium Milanese Loop. It's powered by an ultramarathon-grade battery, delivering up to 45 hours of use with Max Extended Workout tracking. Push your limits with the most accurate heart rate sensing, measuring HRV every five minutes and background heart rate every five seconds. Gain unparalleled health insights with the Vitals app, blood oxygen readings, and a daily Readiness Score that tells you when to rest or push. Precision dual-frequency GPS ensures your route and pace data remain accurate in the most challenging environments. Your safety is paramount, with advanced Fall and Crash Detection. Even without cellular service, built-in satellite communications allow you to text emergency services directly from your wrist. Stay connected with 5G/LTE for calls and texts, and experience next-generation assistance with Siri AI and Audio Intelligence. The Apple Watch Ultra 4 is the definitive companion for those who demand peak performance, advanced health metrics, and unwavering safety, all wrapped in a premium titanium design.