6): 40mm and 44mm Apple Watch Series 10: 42/46mm Apple Watch Ultra/Ultra 2: 49mm Over the years, the Apple Watch has gradually increased in size, now offering 42mm and 46mm options. Consequently ...

In terms of size, Google Pixel Watch 2 is only available with a 41mm display, while Apple Watch Series 9 comes in two sizes: 41mm and 45mm. The size difference isn't crucial, but it is noticeable.