IWC Portuguese Chrono-Rattrapante, Ref:3712, Case No.2793497, Sold 13th March 2001
27-jewel Cal.76240 manual wind movement adjusted to five positions, silver dial with applied gilt Arabic markers and dot outer minute divisions, raised black outer 1/5th second divisions and Arabic 5 second markers, gilt leaf hands and blued steel split second chronograph hands, subsidiary dials at 6 and 12 for running seconds and 30 minute recording, brushed and polished tonneau shaped case with back secure by four screws, signed crown flanked by twin pushers, split second pusher at 10, fitted IWC black leather strap and signed brushed buckle, together with fitted IWC wooden box, outer card, instruction manual and guarantee card, case, dial and movement signed
41mm.