The "Vintage Serie"
Patek Philippe & Co Ref. 1526

Made in the 1940s. 18K yellow gold gentleman’s wristwatch with perpetual calendar, moon phases, small Arabic numerals, and an 18K yellow gold Patek Philippe buckle. Case: Three-body, solid, polished, concave bezel. Dial: Matte silver with applied yellow gold small Arabic numerals and dot indexes, subsidiary seconds dial, concentric graduation for the days of the month, apertures for the days of the week, the months and the moon phases. Yellow gold “feuille” hands. Caliber 12’’’-120 QP, rhodium-plated, “fausses côtes” decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance adjusted to heat, cold, isochronism and 5 positions, Breguet balance-spring, “swan-neck” micrometer regulator. Dial, case and movement signed. Diam. 34 mm. Thickness 12 mm. Ref. 1526 Produced in 210 examples from 1941 to 1952, with the Caliber 12’’’-120 QP, the majority in yellow gold, rarely in pink gold, with only one example known to date in stainless steel.- First series with indirect center-seconds produced in very few examples. Second series with concentric subsidiary dials for the seconds and the days of the month. The dials for the second series of this reference are known to date with 3 different designs: - the seconds division scale on the outside of the subsidiary date dial are quite rare - the seconds division on the inside of the subsidiary dial - the seconds division only on the bottom portion of the subsidiary dial, below the moon phase aperture. The applied gold upright Arabic numbers are of two kinds: - the larger type, more common - the smaller type, as the present watch, much rare.