Influenced by clasp construction of 1950's pocket watches, the Knox Cable Bracelet for men features a sterling silver spring mechanized closure on our woven sterling silver chain.[tab]Specifications[/tab]Base Metal: Sterling SilverPlating: RhodiumMaterials: Sterling Silver Mancona Chain Clasp Size: L: 7/10 in x W: 1/5 inGauge: 3mm