RUGGED AND READY TO GO — The ultimate sports and adventure watch is built to last with an extremely tough titanium case and a strong sapphire crystal display. Water resistant 100m — great for swimming, diving and high-speed water sports. BRIGHT, BEAUTIFUL DISPLAY — A large and advanced display that emits more light at wider angles, making it even brighter and easier to read. You can also use the display as a torch. MULTI-DAY BATTERY LIFE — Up to 42 hours of normal use and up to 72 hours in Low Power Mode. Track a workout with full GPS and heart rate monitoring for up to 20 hours in Low Power Mode. ULTIMATE RUNNING and WORKOUT COMPANION — Precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, running power, Workout Buddy powered by Apple Intelligence from your nearby iPhone, and training load give runners, swimmers, cyclists and athletes everything they need. SAFETY FEATURES — Apple Watch Ultra 3 can detect a hard fall or serious car crash. If you don’t have mobile service or Wi-Fi, built-in satellite communications let you text emergency services via satellite to get help. CUSTOMISABLE ACTION BUTTON — One quick press gives you precise, physical control over a variety of customisable functions — like starting a workout or turning on the torch. INVALUABLE HEALTH INSIGHTS — Get notified of possible hypertension, an irregular heart rhythm, sleep apnoea, or an unusually high or low heart rate. Track your sleep score and your daily health status with the Vitals app and take readings of your blood oxygen. THE FREEDOM OF CELLULAR — Take and make calls, stream music and podcasts, and listen on your AirPods or the built-in watch speaker — all without your iPhone. And now with speedy 5G, you can get fast performance on the go. TRAILBLAZING STRAPS — Apple Watch Ultra 3 has four elegant, endlessly versatile strap styles that meet all the demands of your daily activities, from workouts to nights out.