Important Collectors' Wristwatches, P...

New York, Jun 11, 2009

LOT 174

Portuguese Perpetual Calendar International Watch Co., Schaffhausen, "Portuguese - Perpetual Calendar," Ref. 5022. Made in 2006. Very fine and rare, large, self-winding, water-resistant, 18K white gold wristwatch with secular perpetual calendar, moon phases, 7-day power-reserve indicator and an 18K white gold IWC deployant clasp. Accompanied by the original wooden box, guarantee and instruction booklets.

C. Three-body, solid, polished and brushed, concave lugs, stepped concave bezel, screw-down transparent case back, sapphire crystals. D. Anthracite with applied white gold Arabic numerals, outer minute track, subsidiary dials for the seconds, the day, date, months and the 7-day power-reserve indication, apertures for the moon phases and the 4-digit year. White gold feuille hands. M. Cal. C 51610, rhodium-plated, fausses cotes decoration, 64 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, micrometer regulator, patented Pellaton winding mechanism skeletonized rotor with gold medallion inlay engraved: "IWC - Probus Scafusia". Dial, case and movement signed. Diam. 42 mm. Thickness 16 mm.