Tech Swiss TSMET180 18mm-20mm Watch Band Expansion Metal Stretch Silver Color Thin Line fits Men Watch Band Stretch Metal Silver-Tone - Expansion Watch Band to Fit Mens Watches Replacement Strap Fits Most Cases with Straight 17mm-21mm Case Openings Band Length: 5 3/42" - Thin Line Band Offers Links with Polish Finish- Band Can Be Sized Expansion Watch Band can Update a Watch or Replace a Band without Spending alot of Money