DetailsDescriptionApple Watch Ultra 3 now features built-in satellite communications,1 multiday battery life,2 and the largest, brightest display in an Apple Watch.3 It also delivers advanced metrics, Custom Workouts, dual-frequency GPS, and invaluable health insights like hypertension notifications4 and sleep score. It’s not called Ultra for nothing.LegalApple Watch Ultra 3 requires iPhone 11 or later with iOS 26 or later. 1Emergency SOS, Find My, and Messages via satellite are included for free for two years with the activation of Apple Watch Ultra 3. Connection and response times vary based on location, site conditions, and other factors. Find My and Messages via satellite require a carrier plan. To send and receive SMS/MMS from cellular models of Apple Watch over satellite, your paired iPhone must be powered on and connected to Wi-Fi or an active cellular network, but your iPhone doesn’t need to be nearby. SMS message rates may apply. Satellite connectivity provided by Globalstar and its affiliates. See support.apple.com/123924 for more information. 2Battery life varies by use and configuration. See apple.com/watch/battery for more information.3When angled away from the user as compared with Apple Watch Ultra or Ultra 2.4Hypertension notifications are not intended for use by people under 22 years old, those who have been previously diagnosed with hypertension, or pregnant persons.5Apple Watch Ultra 3 has a water resistance rating of 100 meters under ISO standard 22810:2010. 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 3 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/en-us/109522.6Requires an Apple Intelligence–enabled iPhone nearby and Bluetooth headphones with device and Siri language set to English. Apple Intelligence is availa