IWC Portofino Chronograph wrist watch, 3731, 35 mm. - Bukowskis
IWC Portofino Chronograph Watch - IWC20721 | The RealReal
IWC Portofino Herrenarmbanduhr mit Chronograph, Schweiz um 1995, quarz, Ref. 3731, [...] | lot 3110 | Montres at Henry's Auktionshaus | Auction.fr | English
WRISTWATCH CHRONOGRAPH, IWC PORTOFINO, 1990s. Steel. Ref. 3731. Polished case No. 2469773, with round chrono pushers and screw-down back. Silver-coloured, textured dial with gold-coloured indices and luminous hands, 2 chrono counters and
IWC Mecaquartz chronograph | The Watch Bloke
IWC Portofino Chronograph Top Condition, full set for Rs.178,092 for sale from a Private Seller on Chrono24
IWC Portofino White Men's Watch - 3731 for sale online | eBay