The glass on the back cover of Iwatch7 is broken.

It has no effect on performance, but it is not beautiful.

You can return to the factory for a new one, but as long as the returned equipment is Apple's priority, you can make your own decision. Apple's iwatch screen is broken and broken. As long as it can be displayed inside, it can be repaired by replacing the outer glass alone, and it can be waterproof after repair.