The Apple Watch Series 6 was released in September 2020, with new health features, a slightly larger display and improved battery from the previous Watch. On the design side, it features a larger display and rounded corners, a slimmer chassis and a new ceramic back. The 64-bit dual-core processor is the same as Series 5. On the health side, the Series 6 includes a new blood oxygen app, the same electrical heart sensor, a water-resistance depth of 50 metres, fall detection, optical heart sensor and a beautiful ceramic and sapphire crystal back.