Crack resistance: Crack resistance compared with previous generation.
Dust resistance: Series 7 is rated IP6X dust resistant.
Blood Oxygen app: 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.
ECG app: The ECG app is available on Apple Watch Series 4 and later (not including Apple Watch SE) with the latest version of iOS and watchOS. See apple.com/my/watch for compatibility details. The ECG app is not intended for use by people under the age of 22. With the ECG app, Apple Watch is capable of generating an ECG similar to a single‑lead electrocardiogram.
IRN (irregular rhythm notification): Irregular rhythm notification requires the latest version of watchOS and iOS. It is not intended for use by people under the age of 22 or those who have been previously diagnosed with atrial fibrillation (AFib).
International emergency calling: The international emergency calling feature requires an Apple Watch Series 7 (GPS + Cellular) or Apple Watch SE (GPS + Cellular) model. For a list of supported countries and regions, see apple.com/my/watchos/feature-availability.
Mobile and wireless: Wireless service plan is required for mobile service. Contact your service provider for more details. Connection may vary based on network availability. International roaming is not supported. Check apple.com/my/watch/cellular for participating wireless carriers and eligibility. See support.apple.com/en-my/HT207578 for additional setup instructions.
Faster charge: Testing conducted by Apple in August 2021 using pre-production Apple Watch Series 7 (GPS) and Apple Watch Series 7 (GPS + Cellular) with Apple Watch Magnetic Fast Charging USB-C Cable (Model A2515) and Apple 20W USB-C Power Adapter (Model A2305), as well as Apple Watch Series 6 (GPS) and Apple Watch Series 6 (GPS + Cellular) with Apple Watch Magnetic Charging Cable (Models A2255 and A2256) and Apple 5W USB Power Adapter (Model A1385); each Apple Watch paired with an iPhone, all devices tested with pre-release software. Charge time varies with region, settings and environmental factors; actual results will vary.
(PRODUCT)RED: A portion of the proceeds from every (PRODUCT)RED purchase goes to the Global Fund.
Straps: Straps are subject to availability.
Compatibility: Apple Watch Series 7 requires an iPhone 6s or later with iOS 15 or later. Apple Watch SE and Apple Watch Series 3 require an iPhone 6s or later with iOS 14 or later.
Feature availability: Features are subject to change. Some features, applications and services may not be available in all regions or all languages. See apple.com/my/watchos/feature-availability for complete list.