JAQUET DROZ. A SET OF TWO VERY FINE AND EXCEPTIONALLY RARE QUARTER REPEATING GOLD, ENAMEL, PEARL AND GEM-SET 'PERPETUELLE' SELF-WINDIND WATCHES WITH CENTRE SECONDS

JAQUET DROZ. A SET OF TWO VERY FINE AND EXCEPTIONALLY RARE QUARTER REPEATING GOLD, ENAMEL, PEARL AND GEM-SET 'PERPETUELLE' SELF-WINDIND WATCHES WITH CENTRE SECONDS
SIGNED JAQUET DROZ, LONDON, CIRCA 1785, MADE IN SWITZERLAND AND RETAILED VIA LONDON FOR THE CHINESE MARKET
Movement: Frosted gilt, full plate, ogival 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, balance with flat balance spring, pierced and chased foliate cock with polished steel endplate, repeating on a bell in the back of the case (for both watches)
Dial: White enamel, gold pierced hands (for both watches)
Case: Two-body, 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 gems, the back set with a finely painted on enamel panel depicting figures in a landscape within a gold paillon border, 63 mm. diam. (for both watches)

Provenance
The printed catalogue should read A SET OF 2 VERY FINE AND EXCEPTIONALLY RARE QUARTER REPEATING GOLD, ENAMEL, PEARL AND GEM-SET 'PERPETUELLE' SELF-WINDIND WATCHES WITH CENTRE SECONDS.