Bulova Men's 98A106 Marine Star Automatic Two-Tone Stainless Steel Watch Quality Japanese Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Partial skeleton dial; Gold-tone crown with Bulova insignia Polished stainless steel case; Polished gold-tone stainless steel bezel; Polished two-tone stainless steel bracelet Mineral crystal protects dial Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving