We’re expecting quite a few design changes for the Apple Watch 7, and that might include a larger case than any previous model.

This claim comes from leaker UnclePan posting on Weibo (a Chinese social network). They claim that the Apple Watch 7 will be available in 41mm and 45mm sizes, up from 40mm and 44mm on the Apple Watch 6. They additionally say that old straps will work with the new models.
…
Read more