Strap Length Regular: 185.42 - 195.58 millimeters / 7.3 - 7.7 inches Strap Material 100% Genuine Cowhide Leather, Nubuck lining Strap Type Leather, Non-Expansion Buckle Type Pin Buckle Buckle Material Stainless Steel Compatible With Most 18mm, 20mm, 22mm, or 24mm Watches