What do you think of the size of Omega strap?

1 First, the surface diameter. Align the scale on the left of the cloth ruler with the watch edge, and then look at the scale on the right.

2, followed by the thickness of the watch, the thickness of the watch can be directly measured with a ruler.

3. Then the total length of the watch, mark the starting point scale, and circle the watch with a cloth ruler to measure the total length of the watch.