

Apple Watch Series 8 has a water resistance rating of 50 meters under ISO standard 22810:2010.Tested against subsections for Altitude, High Temperature, Low Temperature, Temperature Shock, Immersion, Freeze/Thaw, Shock, and Vibration.Apple Watch Ultra is rated IP6X dust resistant.Apple Watch Series 8 is rated IP6X dust resistant.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.Check /watch/cellular for participating wireless carriers and eligibility. Contact your service provider for more details. Wireless service plan required for cellular service. Not all features will be available if the Apple Watch is set up through Family Setup.

Emergency SOS requires a cellular connection or Wi-Fi Calling with an internet connection from your Apple Watch or nearby iPhone.The temperature sensing feature is not a medical device and not intended for use in medical diagnosis, treatment, or for any other medical purpose.
