A fine early 19th Century Swiss duplex made for the Chinese market in a gold and enamel case. Keywind gilt bar movement with richly engraved plate, bridges and suspended going barrel, polished steel regulator, blue steel stop work and screws. Polished steel three arm balance with three blue steel affixes, spiral hairspring. Crab tooth duplex escapement, the steel escape wheel with two locking teeth so that the watch will appear to beat seconds. White enamel dial with subsidiaries for two time zones, both with Roman numerals, Seconds beating both for centre seconds and subsidiary seconds, blue steel seconds hand and gilt Breguet hands. Large gold and enamel open face case, fine polychrome enamel scene of a classically dressed couple and child. Gold bezel decorated with translucent red, white and blue champleve enamel. Matching gold and enamel pendant and bow. Glazed cover to the movement with sprung engraved gilt bezel.