Important Modern & Vintage Timepieces
Hong Kong, Nov 27, 2016
JAQUET DROZ EARLY "PERPETUELLE" SELF WINDING WATCH FOR THE CHINESE MARKET Jaquet Droz, London, 'Perpétuelle', case No. 12518. Made in Switzerland and retailed via London for the Chinese market, circa 1785. Very fine and exceptionally rare, gold, enamel, pearl and ruby-set, self-winding "perpétuelle" pocket watch with center seconds.
Two-body, "bassine", the bezel hinged through the pendant released by a concealed push- piece in the band at 6 o'clock, the bezels and band entirely set with split pearls and rubies, the back set with a translucent crimson guilloche enamel panel. Gilt dust cap engraved with foliage. White enamel, radial Roman numerals and outer minute divisions, Arabic 15-minute numerals. Gold pierced hands. 39 mm. frosted gilt, full plate, oval polished gold oscillating WEIGHT pivoted at the circumference and oscillating between two steel spring bumpers, going barrel, transmission to the mainspring barrel via three wheels, cylinder escapement, three-arm brass balance with flat balance spring, single-footed pierced and engraved balance cock with polished steel endplate, rack and pinion regulation. Movement signed on the oscillating weight, case numbered on the pendant.