1Apple Watch Series 8 has a water resistance rating of 50 meters under ISO standard 22810:2010. This means that it may be used for shallow-water activities like swimming in a pool or ocean. However, it should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth. Water resistance is not a permanent condition and can diminish over time. For additional information see support.apple.com/en-us/HT205000. Series 8 is also rated IP6X dust resistant.
2The temperature sensing feature isn’t a medical device and isn’t intended for use in medical diagnosis, treatment, or for any other medical purpose.
3The Cycle Tracking app isn’t intended for use in medical diagnosis, treatment, or any other medical purpose, including as a form of birth control.
4Blood Oxygen app measurements aren’tintended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.
5The ECG app and the irregular rhythm notification require watchOS 6 or later and iPhone 6s or later with the latest version of iOS. The ECG app is available on Apple Watch Series 4 or later (not including Apple Watch SE), and the irregular rhythm notification feature is available on Apple Watch Series 3 or later. The ECG app and the irregular rhythm notification feature aren’t intended for use by people under 22 years old. The irregular rhythm notification feature isn’t designed for people who have been previously diagnosed with AFib. See apple.com/watch for compatibility details.
6AFib History is intended for use by people 22 years old or older with a previous diagnosis of atrial fibrillation (AFib).
7To use SOS or Emergency Calling, your iPhone needs to be nearby. If your iPhone isn’t nearby, your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi Calling. On Apple Watch Series 8 (GPS + Cellular), you can also use a cellular connection. The international emergency calling feature requires an Apple Watch Series 5 with cellular or later. For a list of supported countries and regions, see www.apple.com/watchos/featureavailability.
8All-day battery life is based on the following use: 90 time checks, 90 notifications, 45 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 18 hours; Apple Watch Series 8 (GPS) usage includes connection to iPhone via Bluetooth during the entire 18-hour test; Apple Watch Series 8 (GPS + Cellular) usage includes a total of 4 hours of LTE connection and 14 hours of connection to iPhone via Bluetooth over the course of 18 hours. Testing conducted by Apple in August 2022 using preproduction Apple Watch Series 8 (GPS) and Apple Watch Series 8 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
9Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charging USB-C Cable. Testing conducted by Apple in August 2022 using preproduction Apple Watch Series 8 (GPS) and Apple Watch Series 8 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charging USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with region, settings, and environmental factors; actual results will vary.