Lot 157

IWC / Intern. Watch Co.

Portugieser Perpetual Calendar

A very fine and extremely rare Portuguese wristwatch with perpetual calendar, double moon phase, 7 day power reserve indicator and four-digit year display

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The Portuguese Perpetual Calendar wristwatch was launched in 2003 and features a distinctive double moon phase, which displays the northern as well as the southern hemisphere. This design was patented by IWC. The silvered dial features four well-arranged subdials for date and power reserve at 3 o’clock, for month and day of the week in English in combination with the small second at 6 and 9 o’clock, and the double moonphase at 12. The moon phase display is accurate for 577 years, while the perpeptual calendar runs until 2499.