DURABLE AND ADVENTURE READY - The ultimate sports and adventure watch is built to last, with an ultra-durable titanium case and a robust sapphire crystal display. Water resistant to 100 meters — ideal for swimming, diving and high-speed water sports. BRIGHT, IMPRESSIVE DISPLAY - Large, advanced display that emits more light at wider angles — making it even brighter and easier to read.² You can also use the display as a flashlight. MULTI-DAY BATTERY LIFE - Up to 42 hours of regular use and up to 72 hours in low-power mode.¹ Track a workout with full GPS and heart rate monitoring for up to 20 hours in low-power mode. THE ULTIMATE RUNNING AND TRAINING COMPANION - Accurate dual-frequency GPS, Pacer, Heart Rate Zones, Personalized Coaching, Running Power and Training Load give runners, swimmers, cyclists and athletes everything they need. SAFETY FEATURES - The Ultra 3 can detect a hard fall or serious car accident. CUSTOMIZABLE ACTION BUTTON - A quick press gives you precise, natural control over a variety of customizable functions — like starting a workout or activating the flashlight. VALUABLE HEALTH INSIGHTS - Get alerts for possible hypertension³, irregular heart rate⁶, sleep apnea⁷, or unusually high or low heart rates. Track your sleep score and daily health status with the Vitals⁸ app and take blood oxygen measurements. CELLULAR FREEDOM - Make and receive calls, listen to music and podcasts, and listen to them through AirPods or the watch's built-in speaker — all without your iPhone. INNOVATIVE STRAPS - Ultra 3 features four stylish and highly versatile strap styles that cover all the demands of your everyday life — from workouts to nights out.