DetailsHighlightsSpecialized features, sensors, and three new bands designed for exploration, adventure, and endurance49mm aerospace-grade titanium case for an ideal balance of weight, strength, and corrosion resistanceThe largest, brightest Apple Watch display for improved legibility in all conditionsUp to 36 hours of battery life for normal use along with low-power settings for even longer battery life¹Precision dual-frequency GPS system provides accurate location for calculating distance, pace, and route mapsWater resistant 100m²Greater operating temperature tolerances while on-wrist to accommodate incredibly diverse environmentsCustomizable Action button can mark a Compass Waypoint, start Backtrack, mark segments in a workout, turn on the flashlight, and moreDescriptionThe most rugged and capable Apple Watch ever, designed for exploration, adventure, and endurance. With a 49mm aerospace-grade titanium case, extra-long battery life,¹ specialized apps that work with the advanced sensors, and a new customizable Action button.What's in the Box• Ocean Band• USB-C Magnetic Fast Charging CableTechnical specificationsGo to apple.com/watch/compare for a complete set.LegalApple Watch Ultra requires an iPhone 8 or later with iOS 16 or later.¹Battery life varies by use and configuration. See apple.com/batteries for more information.²Apple Watch Ultra has a water resistance rating of 100 meters under ISO standard 22810. It may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 meters and high-speed water sports. Apple Watch Ultra should not be used for diving below 40 meters. Water resistance is not a permanent condition and can diminish over time. For additional information, see support.apple.com/HT205000.³Emergency SOS requires a cellular connection or Wi-Fi Calling with an internet connection from your Apple Watch or nearby iPhone.⁴A subscription is required for Oceanic+. Available on the App Store. Always follow diving protoc