Tech Swiss TSMET336 Watch Band Expansion Metal Stretch Silver-tone Curved Ends 16mm-20mm Watch Band Expansion Metal Stretch Silver-tone Plated to Fit Case with Curved Ends Replacement Strap Fits Most Cases with Curved Case Openings 16mm up to 20mm Watch Band Length: 6" without Stretch Band Offers Links with Polish Silver-Tone Finish- Band Can Be Adjusted Expansion Watch Band can Update a Watch or Replace a Broken Band without Spending alot of Money