Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. Irregular rhythm notification requires the latest version of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AF).

Apple Watch Ultra 2 has a water resistance rating of 100 metres under ISO standard 22810. It may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 metres and high-speed water sports. Apple Watch Ultra 2 should not be used for diving below 40 metres. Water resistance is not a permanent condition and can diminish over time. For additional information, see support.apple.com/en-gb/HT205000. Features are subject to change. Some features, applications and services may not be available in all regions or all languages. View complete list. ECG app is available on Apple Watch Series 4 and later (excluding Apple Watch SE) and can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old and over. Consumer finance on the Apple Online Store is brokered by Apple Retail UK Limited, which acts as a credit broker and not the lender. Apple offers finance from a restricted range of finance providers and Barclays Partner Finance, which is a trading name of Clydesdale Financial Services Limited, a member of the Barclays Group. Clydesdale Financial Services Limited is authorised and regulated by the Financial Conduct Authority (Financial Services Register number: 311753). Registered in England. Registered no.: 2901725. Registered office: 1 Churchill Place, London E14 5HP. Subject to application and status. Full terms apply. Apple Watch Series 9 has a water resistance rating of 50 metres 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 9 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-gb/HT205000.The temperature sensing feature is not a medical device and not intended for use in medical diagnosis, treatment or for any other medicalpurpose.

Case and strap combinations can be made within collections (Apple Watch and Apple Watch Hermès) only. Fast charging is compatible with Apple Watch Series 7 or later, including all Ultra models. It is not compatible with any Apple Watch SE model. Apple Watch Ultra 2, Apple Watch Series 9 and Apple Watch SE require iPhone Xs or later with iOS 17 or later. Case and strap combinations can be made within collections (AppleWatch, AppleWatchNike and AppleWatchHermès) only. Apple Watch SE has a water resistance rating of 50 metres 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 SE 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 overtime. For additional information, see support.apple.com/en-gb/HT205000.The international emergency calling feature requires an Apple Watch Ultra 2 (Cellular), Apple Watch Series 9 (GPS + Cellular) or Apple Watch SE (GPS + Cellular) model. For a list of supported countries and regions, see apple.com/uk/watchos/feature-availability. Blood 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.