PATEK PHILIPPE HALF-HUNTING CASED PENDANT WATCH
WITH EARLY ADRIEN PHILIPPE KEYLESS WINDING SYSTEM
Patek Philippe & Co, à Genève, 'Invention & Exécution', No. 20754.
Made circa 1860.
Fine and very rare, keyless, 18K yellow gold and enamel lady's half-
hunting cased pendant watch with Adrien Philippe's first patented
stem-wind and hand.setting mechanism of 1845 without coasting.
Four-body, "bassine", the front cover with glazed aperture, radial
dark blue Roman numerals, the back cover with a dark blue champleve
enamel monogram. Hinged gold cuvette.
White enamel with radial Roman numerals, outer minute track.
Blued steel double spade hands.
Cal. 10''', matte gilt, 8 jewels, wolf's tooth winding, cylinder
escapement, plain three-arm balance, blued steel flat balance spring,