Product DescriptionAuthenticity Guaranteed Product Reviews Model # 032CVZ012082 New Omega Seamaster Chronograph 21mm Black Rubber Watch Strap – Black Rubber Strap- Length: 7″- Inlet Size: 21mm – Designed for Tang Buckle Attachment- Buckle Model # 025STZ010129 Included – Fits Omega Seamaster Chronograph Models with a 21mm Inlet and Model Number Starting with 201