As follows:
Need tools: watchband, watchband tools.
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: