Apple Watch Series 8 requires an iPhone 8 or later with iOS 16 or later.
¹Blood Oxygen app measurements are not intended for medical use, including self- diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.
²The temperature sensing feature is not a medical device and is not intended for use in medical diagnosis, treatment, or for any other medical purpose.
³The Cycle Tracking app is not intended for use in medical diagnosis, treatment, or any other medical purpose, including as a form of birth control or to support conception.
⁴Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone.
⁵Apple 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, Apple Watch Series 8 should not be used for scuba diving, waterskiing, or other activities involving high-velocity