PortugieserThere isnt a more rare and significant timepiece in watchmaking history than the International Watch Company Reference 325. The IWC Reference 325 represents the brands first true Jumbo model and one of the first of its kind being that its 42mm case diameter was an unprecedented size during a time when sub 35mm watches were the norm. For IWC, the Portugieser models got their start, as well as their name, in the late 1930s when a Portuguese merchant