🔗https://watches.iwc.com/9cae6a

With every passing second, the allure of the Portugieser Perpetual Calendar grows. 1980s IWC’s head-watchmaker, Kurt Klaus, ingeniously translated the complexities of the Gregorian calendar into a mechanical program, showcasing a perpetual calendar that remains true to the moon's phase for 577.5 years.

#IWCportugieser | #iwcwatches

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White dial
Platinum case 44.2mm
IWC-manufactured 52615 Calibre
18-carat 5N gold Rotor