THE SPECS LEATHER Top-Grain Italian Leather MECHANISM Quick Release BUCKLE Stainless Steel Buckle SIZE SIZE 20mm wide and 24 cm long (0.78 x 9.44 inches) COMPATIBILITY Fits all men's 40MM Chrono S watches SPECS DIMENSIONS LEATHER Italian Full Grain Leather MECHANISM Quick Release BUCKLE Stainless Steel Buckle SIZE 20mm wide and 24 cm long (0.78 x 9.44 inches) COMPATIBILITY Fits all men's 40MM Chrono S watches