The IWC Portofino Chronograph reference 3783 is the 2007-2010 chronograph version of IWC’s elegant Portofino. It is powered by the self-winding caliber 79320, which is cased in a simple but elegant case in either stainless steel or white gold.Reference IW3783-01 has a white gold case and an ardoise dial. It is very rarely seen.
