IWC Portuguese Perpetual Calendar 44.2mm | IW503302Solid 18k red gold case with polished finished bezel and lugs, and fine brushed finished edges. Silver main dial. Matching silver sub dials with a very fine concentric circle engraved pattern. Applied gold toned Arabic numeral and Index hour markers. Fine printed minute track. Elegant leaf shaped polished rose gold hour and minute hands. Perpetual calendar with year display : Day of the week indicated on the outside perimeter of the sub dial at the 9