JBW Men's JB-6223-F "Mason" Square Chronograph Diamonds Leather Watch Highest standard chronograph movement Stainless steel bezel and case; .20 ctw genuine diamonds; Six signature bolts on the unique square bezel Black genuine leather band with adjustable buckle Three functional chronograph sub dials; Large hour and minute hands Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving