Apple Watch Ultra

·   Specialized features, sensors, and three new bands designed for exploration, adventure, and endurance

·   49mm aerospace-grade titanium case for an ideal balance of weight, strength, and corrosion resistance

·   The largest, brightest Apple Watch display for improved legibility in all conditions

·   Up to 36 hours of battery life for normal use along with low-power settings for even longer battery life1

·   Precision dual-frequency GPS system provides accurate location for calculating distance, pace, and route maps

·   Water resistant 100m2

·   Greater operating temperature tolerances while on-wrist to accommodate incredibly diverse environments

·   Customizable Action button can mark a Compass Waypoint, start Backtrack, mark segments in a workout, turn on the flashlight, and more

·   Advanced safety features, including Siren, Backtrack, Fall Detection, Emergency SOS,3 and Crash Detection

·   Improved Workout app with new metrics, new views, and advanced ways to train

·   A completely redesigned Compass app with waypoints and Backtrack

·   Depth gauge and water temperature sensor activates automatically when you submerge.

·   Made for recreational scuba diving and free diving down to 40 meters4.

·   Included cellular lets you stay connected to people and information you care about most5

·   Advanced health sensors let you take an ECG6 and measure heart rate, track temperature changes7 for insights into menstrual cycles,8 and measure blood oxygen9

·   Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone

·   Stream or sync your favorite music, podcasts, and audiobooks

·   watchOS 9 features an enhanced Workout app, a new Medications app, sleep stages, and greater insights into heart health.