Apple Watch Series 10 offers bigger screen and new features compared to Series 9

The Apple Watch Series 10 features a larger, brighter screen and new case sizes, starting at $400, the same as the Series 9. It includes a voice isolation feature for calls and can play music aloud, which the Series 9 cannot. The Series 10 is thinner and lighter than the Series 9, measuring 9.7 millimeters thick compared to 10.7 millimeters. It charges faster, reaching 80% in about 30 minutes, while battery life remains the same for both models. Both watches now include a sleep apnea detection feature with WatchOS 11. The Series 10 also has a depth gauge and water temperature sensor, enhancing its suitability for snorkeling, features not available on the Series 9.