ILBERY. A FINE 18K GOLD, PAINTED ON ENAMEL AND PEARL-SET CENTRE SECONDS DUPLEX WATCH, MADE FOR THE CHINESE MARKET

ILBERY. A FINE 18K GOLD, PAINTED ON ENAMEL AND PEARL-SET CENTRE SECONDS DUPLEX WATCH, MADE FOR THE CHINESE MARKET
SIGNED ILBERY, LONDON, NO. 16631, THE CASE WITH LONDOND HALLMARKS FOR 1808
Movement: ‘Chinese’ caliber, manual, gilt engraved, standing barrel, duplex escapement, plain five-arm steel balance, diamond endstone, cuvette hinged to the movement ring
Dial: White enamel
Case: Two-body, the bezels, pendant and bow set with half-pearls, the back set with a painted on enamel panel depicting the Madonna with St. Anne and the infant St. John, London hallmarks for 1808, 59 mm., diam.

Provenance
For biographical and historical information on William Ilbery, the inventor of the Chinese calibre, see La Montre Chinoise by Alfred Chapuis, pp. 180 - 184.