(310243841) IWC - a gentleman's Aquatimer chronograph wrist watch. Reference 3767, serial 3675257. Signed automatic calibre 79320. Black dial with luminous hour markers, subsidiary recorder dials to six, nine and twelve, split day and date aperture to three. Calibrated bezel, Rubber coated stainless steel case fitted to a signed black rubber strap with stainless steel pin buckle. 43mm.