$17,400
Portuguese Perpetual Calendar International Watch Co. , Schaffhausen, "Portuguese - Perpetual Calendar," Case No. 2920393, Ref. 5021. Made circa 2003. Very fine and rare, large, astronomic, self-winding, water-resistant, 18K yellow gold wristwatch with secular perpetual calendar, moon phases, 7-day power reserve indicator and an 18K yellow gold IWC deployant clasp. Accompanied by a wooden fitted box, guarantee certificate and instruction manual. Three-body, solid, polished and brushed, concave lugs, stepped concave bezel, transparent case back with 6 screws, sapphire crystals. Matte silver with applied yellow gold Arabic numerals, outer dot minute markers, subsidiary dials for the seconds, the day, date, months and the 7-day up-and-down indication, apertures for the moon phases and the 4-digit year. Yellow gold feuille hands. Cal. C 50611, rhodium-plated, fausses cotes decoration, 66 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, micrometer regulator, skeletonized rotor with gold medallion inlay engraved "IWC - Probus Scafusia." Dial, case and movement signed. Diam. 44 mm. Thickness 15 mm. Notes According to our research, the yellow gold version of the perpetual calendar was produced by IWC for less than two years and was most likely the least produced.
Auctioneer:
Antiquorum
Date:
2009-09-17
