IWC Ingenieur Jumbo 3303, 80s Stainless steel tonneau case, n.2268982, stainless steel round bezel, screw back. White dial, painted roman numerals. Quartz movement, cal. 2250. Stainless steel IWC integrated bracelet. Size: 40 mm.  Accompanied by IWC warranty, booklets, service card, leather holder and box. Notes: The IWC Ingenieur Jumbo 3303 is a very elusive reference, with only 149 pieces having ever been produced. Differently from the more common 1832 automatic model, reference 3303 features a broader bezel and a flatter case (8.7mm vs 12.5mm). The Jumbo Ingenieur is of course part of three most iconic timepieces designed by Gérald Genta, along with the Audemars Piguet Royal Oak and the Patek Philippe Nautilus. The full set of original accessories of the present watch adds another layer of collectibility to the piece.