Swiss Military Calibre Men's 06-4R4-15-009 Red Star Charcoal Chronograph Rubber Date Watch Black IP stainless steel case Chronograph function; Sub-second Grey dial with white striking numbers; Luminous hands Charcoal IP bezel with tachymeter; Minute track Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving