A pink gold and enamel pearl-set cylinder watch made for the Asian market circa 1800

18k, engraved frosted gilt cylinder movement, flat three arm plain brass balance, white enamel dial, Arabic numerals, outer minute track, bezels set with split pearls, pink gold case with translucent blue enamel on sunburst effect guilloche background, pendant numbered 9253, hinged cuvette similarly numbered and bearing the signature or signed Lépine à Paris.