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How to measure and replace a watch band

How to measure and replace a watch band

Replacing an old watch band is a pretty simple. The first step is the find the size of the watch band you are replacing. The following instructions will help you find measure and find which size watch band is right for your watch. Measuring your watch band requires two basic steps. The first step is finding the width of the watch band. 



Finding the right watch band size is usually quite easy. Take a look at the watch band you are replacing. Turn the watch band over to the inner side of the band. You might find something like this.




On the inside of a watch band, you might find a few embossed letters, numbers, or logos. The watch band size is usually one of these numbers. On the example shown to the left, the watch band is shown to be a size 20, or size 20 mm. Most watch band width sizes will be in millimeters. If you don’t have a millimeter ruler available, you can use the inches to millimeter conversion chart that can be found later on in these instructions.

PLEASE NOTE: If your band is integrated with the case edge or has a unique edge, it might only be replaceable with the original band. 

If your band does not have any markings, there are a few other ways to measure the proper width of your watch band. You can either (1) measure the space on the edge of the watch band or (2) measure the space between the watch case edges.  




Please Note: It is preferable to measure using millimeters instead of inches. If you do not have a millimeter ruler available, use the following chart to convert from inches to millimeters.


Size Conversion Chart | Inches to Millimeters

  • 5/16         8mm
  • 11/32       9mm
  • 3/8         10mm
  • 7/16        11mm
  • 15/32      12mm
  • 1 /2        13mm
  • 9/16       14mm
  • 19/32     15mm
  • 5/8        16mm    
  • 21/32     17mm
  • 11/16     18mm
  • 3/4       19mm
  • 25/32     20mm
  • 13/16     21mm
  • 7/8        22mm
  • 15/16     24mm
  •  1          26mm

Once you know the width of your watch band, you can find the right watch band based on size.

Keep in mind that these are approximate lengths. Lengths can vary slightly depending on the buckle style. Each band’s unique measurements are shown on the band product page. However, if you have any questions, please contact us at Info@watchmaterial.com

If you already have your watchband and need instructions on how to replace it, check out our guide on how to replace your watch band



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