Swiss Legend Men's 21818D-01 Neptune Collection Black Textured Rubber Watch Precise Swiss-quartz movement Durable mineral crystal; brushed and polished stainless steel and rubber case; black textured rubber strap Date function Black dial with luminous hands and hour markers; black stainless steel unidirectional bezel; screw-down crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving