The Portugieser Eternal Calendar is the first secular perpetual calendar from IWC Schaffhausen and automatically considers the Gregorian calendar’s leap-year exceptions. In addition, this horological marvel also features a moon phase display with a mathematical accuracy of 45 million years.
Small hacking seconds
Pellaton automatic winding
Power reserve display
7 days power reserve
Rotor with 18-carat gold medallion
Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase
Pellaton automatic winding
Power reserve display
7 days power reserve
Rotor with 18-carat gold medallion
Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase
All items are no return exchange or store credit only. Unless defective or otherwise not delivered as listed
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