How to open the back cover of the watch?

To open the back cover of the watch, just clip the opener on the back cover and then hit it hard with a hammer. The specific steps are as follows:

Preparation tool: lid opener.

1, prepare a special opener and turn the watch upside down, with the back facing up.

2. Find the gap between the back cover of the watch and the watch, aim the lid opener at this gap, and then try to clamp the lid opener in this gap.

Take a hammer and knock the back of the lid with it. Tap the watch a few times and the cover will open.