Invicta Men's 0468 Pro Diver Collection Automatic Charcoal Rubber Watch Quality 21-jewel Japanese-automatic movement; functions without a battery; powers automatically with the movement of your arm Durable mineral crystal; brushed stainless steel case; charcoal rubber strap Date function Black mother of pearl dial with luminous silver-tone hands, hour markers and Arabic numerals; blue sweeping second hand; brown unidirectional stainless steel bezel Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving