Tested against subsections for Altitude, High Temperature, Low Temperature, Temperature Shock, Immersion, Freeze/Thaw, Shock, and Vibration.See /en-us/HT207578 for additional setup instructions. Check /watch/cellular for participating wireless carriers and eligibility. Connection may vary based on network availability. Contact your service provider for more details. Wireless service plan required for cellular service.Battery life varies by use, configuration, cellular network, signal strength, and many other factors actual results will vary. Testing conducted by Apple in August 2022 using preproduction Apple Watch Ultra (GPS + Cellular) paired with an iPhone all devices tested with prerelease software. All-day battery life is based on the following use: 180 time checks, 180 notifications, 90 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 36 hours Apple Watch Ultra (GPS + Cellular) usage includes a total of 8 hours of LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours.For additional information see /HT205000. Water resistance is not a permanent condition and can diminish over time. Apple Watch Ultra should not be used for diving below 40 meters. 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 has a water resistance rating of 100 meters under ISO standard 22810.Have a question? Call a Specialist or chat online.

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