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Photo: IWC

Photo: IWC

In the world of watchmaking, what seems to be the most simple of functions require some of the most sophisticated mechanical engineering. That's evident in IWC's newest watch, the Portugieser Annual Calendar. The company is celebrating the watch's 75th anniversary with an all new collection and the Annual Calendar at the center of it all.

Their first annual calendar, the watch displays both the month and day in their own dedicated windows at the top of the dial and uses a brand new movement with twin barrels to help power those indications. The watch will be available in two stainless steel versions with a silver or blue dial or an 18-carat red gold case with silver dial. The watches will feature 44mm cases and can stay powered for 7 days when fully wound. More info at

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