Auth. IWC Pilot Mark Chronograph Automatic Steel Watch IW377704 Box & Docs. The black dial with white numbers, matching hands, day date at 3 and chronograph centre centre seconds, three sub dials 69 12 is signed IWC Shaffhausen swiss made. The 28800 automatic wind movement is working well and running strong, loosing 3 sec a day amp291. The steel 43mm case is fully signed in the back. Dont miss this one with original steel bracelet that will fit a wrist of 210mm or less, Full box and docs dated 13.7.13.