CASSIS Calfskin Watch Strap, Waterproof Backing, REIMS 21mm, Black, with Replacement Tool, U10257A1019021

Watch strap lug width: 21mm Buckle width: 18mm Material: A classic design made from high-quality calfskin (cowhide). Features: The underside uses "LORICA," making it resistant to water and sweat. A wide range of sizes is available, making it ideal for couples. Installation method: Replaced using the included replacement tool. Instructions for replacement are included. Set contents: Watch strap replacement tool included (the pointed tip is surprisingly easy to use).