English gold enamelled watch made for Chinese market Circa 1795

Gold open faced duplex pocket watch
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An unique English 18 carat gold, enamel, pearl-set pocket watch with center seconds made by Morisset & Lukins in London, circa 1795. Made for the Chines market. Two split pearl rows bezels, pendant and bow with split pearl decoration, the spring loaded back opened by a push piece in the pendant and overlaid with translucent royal blue enamel over wavy line engine turning. The center with a varicoloured gold paillon rosette, paillon border to match. White enamel dial with gold hands, the dial numerals are interspaced with 12 rubies. A full plate, gilt movement, ringed cylindrical pillars, going barrel, duplex escapement, brass three arm balance, flat balance spring with index regulator. Dial, case and movement are signed.
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Diameter: 60 mm
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Signed: Morisset & Lukins, London
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Robert Morisset and Charles Lukins worked as jewellers, goldsmiths, and enamelers at 22 Denmark Street, Soho. The two traded together from 1776 to 1799. James Morisset, an important London goldsmith, also served as a partner in the firm.