Exceptional Horological Works of Art

Geneva, Oct 19, 2002

LOT 24

Patek Philippe & Cie, Genève, No 720304, case No 306201, Ref. 2523 HU (Heures Universelles). Production of this reference started in 1953. Extremely fine and rare, 18K yellow gold, "World Time" gentleman?s wristwatch with two crowns and poly-chrome cloisonné enamel dial representing the map of Europe and Asia and with 18K yellow gold Patek Philippe buckle.

C. three-body, solid, polished, lapidated curved lugs. D. matte silver revolving ring dial bearing the names of 41 places in the world, at the center, a polychrome cloisonné enamel medallion representing the map of Europe and Asia with applied yellow gold indexes and Roman numerals, concentric, revolving 24-hour dial for the nocturnal and diurnal hours. The winding-crown on the 3 adjusts the hours and the 24-hour ring; the winding-crown on the 9 turns the ring with the city names. Yellow gold "fancy" hands. M. Cal. 12???-400 HU, Geneva quality hallmark, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, shock-absorber, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 35 mm.