Swiss Military Calibre Men's 06-4C2-04-007R Commando Luminous Black Dial Chrono Tachymeter Watch Chronograph function; sub-second dial Round black dial with date window Tachymeter on bezel ring; minute track on inner bezel Luminous hands and hour-markers; black rubber strap Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving