Speidel Men's Watch Band Expansion Metal Stretch Silver Color fits 18-22mm Watch Band Stretch Metal Silver-Tone Tappered - Expansion Watch Band to Fit Mens Watches Fits 18mm up tp 22mm watch case openings Length of Band: 6" Length Thickness of Band: 2.9mm Expansion Watch Band can Update a Watch or Replace a Band without Spending alot of Money Replacement Strap Fits Most Cases with Straight 16mm, 18mm, 20mm and 22mm Case Openings