What is the tutorial for changing the strap of a leather strap watch?

1. Prepare tools, hands and belts for belt replacement, as shown in the following figure:

Second, press the small holes on both sides of the watch by hand and take off the old strap, as shown in the following figure:

3. As shown in the figure below, remove the strap at the other end in the same way:

4. After all the watchbands are removed, you can replace them with new ones, as shown in the following figure:

5. Align the new strap hole with the slot and push it inward, as shown in the following figure: