Invicta Men's 0447 Russian Diver Collection Blue Sandstone Dial Black Rubber Watch Precise Swiss-quartz movement Durable mineral crystal; black ion-plated stainless steel case; black rubber strap Screw-down protective cap on crown Blue sandstone dial with luminous hands and hour markers Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving