The IWC Portofino 4581 was introduced in . This version of IWC’s Portofino watch features a case of 37mm, which houses the self-winding caliber 35111. In the case of reference IW4581-06, the case is made of Red Gold. The dial is Grey.


The IWC Portofino 4581 was introduced in . This version of IWC’s Portofino watch features a case of 37mm, which houses the self-winding caliber 35111. In the case of reference IW4581-06, the case is made of Red Gold. The dial is Grey.
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