IWC Schaffhausen’s perpetual calendar was originally developed during the 1980s by former head-watchmaker Kurt Klaus. In 2003, the legendary complication was presented in the Portugieser collection for the first time. Since then, the Portugieser Perpetual Calendar has been a major pillar of the collection.

Crafted in a 44mm 18ct white gold case, this model features a horizon blue dial and a perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase. A light blue calfskin strap by Santoni offers a comfortable fit on the wrist.

Model Reference - IW503703

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