How to change the battery of quartz watch and open the back cover of quartz watch

1. Open the back cover of the quartz watch and replace the battery inside. You need to prepare the required tools as shown below: a small crowbar and a wallpaper blade.

2. Next, pick up the side of the quartz watch and find the gap in the back cover, as shown in the figure.

3. Then insert the small pry bar into the gap of the back cover of the quartz watch and pry it open, as shown in the figure.

4. Finally, open the back cover of the quartz watch, and you can replace the battery inside, as shown in the figure.