Apple Watch Series 10: Upgraded ECG, New Watch Faces, and More

Enhanced Health Features – Updated ECG sensor for more accurate heart rate readings – New feature: Sleep apnea detection – Data processed via new algorithms in iPhone's Health app

Bigger Screens and New Faces – Available in 44mm and 48mm sizes – New "Reflections" face reacts to ambient light – New Hermès "Regatta" watch face with tide information

Improved Water Resistance – Certified for high-speed water sports up to 20 meters – New Depth app, previously exclusive to Apple Watch Ultra