$25,875
"Portuguese Perpetual Calendar" International Watch Co. , Schaffhausen, "Portuguese Perpetual Calendar", No. 2918954, Ref. 5021. Production of this reference started in 2003. Very fine and rare, large, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with secular perpetual calendar, moon phases, 7-day power-reserve and a yellow gold IWC deployant clasp. Accompanied by a wooden fitted box and a certificate. Three-body, solid, polished and brushed, concave lugs, transparent case back with 6 screws, sapphire crystals. Satiné silver with applied yellow gold Arabic numerals, subsidiary "guilloché" dials for the seconds, the day, date, months and the 7 day up-anddown indication, apertures for the moon phases and the years. Yellow gold "feuille" hands. Cal. C 50611, rhodium-plated. "fausses côtes" decoration, 64 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating Breguet balance spring, micrometer regulator, skeletonized bidirectional rotor with gold medallion inlay engraved "IWC –Probus Scafusia - Seven Days Power-Reserve". Dial, case and movement signed. Diam. 44 mm. Thickness 15 mm.
Auctioneer:
Antiquorum
Date:
2005-09-28