A gilt metal, enamel and pearl set open faced centre seconds duplex pocket watch for the oriental market, circa 1840, white enamel dial with Roman numerals, skeletonised and engraved movement signed Richardson, London, 422, with plain steel five-arm flat rim balance, engraved gilt cuvette, case set with an associated deep blue enamel panel decorated with a figure of a lady with a parakeet on a stand, split pearl set border, similarly set bezel, stem and bow, some pearls deficient, diameter 60mm.