Find Your Band Width
#1 - Use a standard ruler with centimeters, not inches, for accuracy.
#2 - Measure the space between your watch's lugs in millimeters (1 centimeter = 10 millimeters). Look for the red line labeled "Inner Space" on the image.
NOTE - Measure directly in millimeters or convert your centimeter measurement to millimeters by moving the decimal point one place to the right. For example, if the lug measures 2 centimeters, it converts to 20 millimeters.