The IWC Portuguese Annual Calendar IW503502 features a 44.2 mm stainless steel case, A blue dial, And a black alligator leather strap, And is the annual calendar model that represents the Portuguese collection.
This watch offers a long power reserve of 7 days (168 hours), And the annual calendar is located at the 12 o'clock position on the top of the dial, Where the month, Date, And day of the week are displayed in semicircular windows. The annual calendar requires manual adjustment only once a year at the end of February. In addition, The power reserve indicator is located at the 3 o'clock position and the small seconds is located at the 9 o'clock position, Enhancing the functional completeness.
The combination of a 7-day power reserve and an annual calendar, As well as the design of a sophisticated blue dial and steel case, Make this a representative complication watch from IWC that appeals to watch enthusiasts and collectors alike.

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