Steel IWC Big Pilots Watch 5004 01. Automatic IWC calibre 51110 movement. Steel 46.2mm case diameter, 15.8mm case depth. Screw down winding crown water resistant case to 60 meters. Black dial with printed white numeral hour markers and track minute markers. Seven day power reserve indicator sub-dial with luminous hand. Buffalo leather strap with steel folding clasp. Box and papers. Pre-owned