Apple Watch SE (and Series 4, 5, 6): 40mm and 44mm (left) Apple Watch Series 9/8/7: 41mm and 45mm (middle) Apple Watch Series 10: 42/46mm Apple Watch Ultra/Ultra 2: 49mm (right) The size of the ...
The Series 10 is also the thinnest Apple Watch ever. It's 9.7 millimeters thick, while the Series 9 is 10.7 millimeters thick ...
Explore the differences between the Apple Watch Series 10 and Series 9, from a bigger display and thinner design to new features.