It's also compatible with just about every model of Apple Watch, with a 40mm size for the Series 4, 5, 6, and SE, 41mm and 45mm sizes for the Series 7 and 8, and a 49mm size for the Apple Watch Ultra.

The Apple Watch Series 10 has display options of 46mm and 42mm, while previous generations had 45mm or 41mm options. The second-gen SE is available in 44mm or 40mm, and the Ultra 2 is even bigger ...