The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 493

Patek Philippe & Cie., Genève, No. 931110,case No. 2622959, Ref. 605 HU (Heures Universelles), made in 1951, sold on December 12, 1963.Very fine and rare "World Time", 18K yellow gold keyless dress watch.

C. Three piece, massive, "variée", polished with satiné back and milled revolving bezel. D. Black lacquered, outer Arabic dark and light revolving chapter ring for day and night hours and the polished world time chapter ring, bearing the name of 38 cities, regions and countries around the world, and revolving with the bezel according to the Louis Cottier world time patent. Gold hands. M. Cal. 17'''-170, rhodium plated, "fausses côtes" decoration, 18 jewels, straight line lever escapement, cut bietallic balance adjusted to heat, cold isochronism and five positions, blued-steel Breguet balance spring with swan-neck micrometric index.Signed on the dial, case and movement.Diam. 45 mm.Accompanied by the Extracts from the Archives.