Important Modern & Vintage Timepieces

New York, Sep 30, 2014

LOT 47

IWC REF. 5022 PORTUGUESE PERPETUAL CALENDAR YELLOW GOLD International Watch Co. Schaffhausen, "Portuguese - Perpetual Calendar II" case No. 3201278, Ref. 5022. Made circa 2005. Very fine and rare, large, 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.

Three-body, solid, polished and brushed, concave lugs, stepped concave bezel, screw-down transparent case back, sapphire crystals. Matte silver with applied pink 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 with aventurine glass effect and the 4-digit year. Pink gold feuille hands. 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."