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 100 m—great for swimming, diving and high-speed water sports.\\\\\\\\nBRIGHT, 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 flashlight.\\\\\\\\nMULTIDAY 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.\\\\\\\\nULTIMATE 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.\\\\\\\\nSAFETY FEATURES—Ultra 3 can detect a hard fall or severe car crash. If you don’t have cell service or Wi-Fi, built-in satellite communications let you text emergency services via satellite to get help.\\\\\\\\nCUSTOMIZABLE ACTION BUTTON—One quick press gives you precise, physical control over a variety of customizable functions—like starting a workout or turning on the flashlight.\\\\\\\\nINVALUABLE HEALTH INSIGHTS—Get notified of an irregular heart rhythm, sleep apnea, 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.\\\\\\\\nShow More