Invicta Women's 0491 Pro Diver Collection Automatic Grey Polyurethane 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; grey polyurethane strap Date function White mother of pearl dial with silver-tone hands, arabic numerals and hour markers; blue second hand; brown stainless steel unidirectional bezel; luminous; exhibition case back Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving