Rare English 18 carat yellow gold pocket watch Circa 1800

Gold open faced by John Gibson
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A fine and rare English 18K yellow gold pocket watch, circa 1800. The case with London hallmarks for 1810-1811. A polished case, fixed cuvette. White enamel dial, radial Roman numerals, outer minute divisions, subsidiary seconds dial with Arabic four-second numerals and yellow gold pear hands. lever escapement, a hinged, gilt brass, full plate movement, cylindrical pillars, eight jewels, three in screwed chatons, fusee with chain, Harrison’s maintaining power, cut bimetallic compensation balance with external temperature and meantime adjustment screws, free-sprung blued steel helical balance spring with terminal curves, diamond endstone, foliate engraved clock.
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Diameter: 50 mm
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Thickness: 22 mm
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Signed: John Gibson  London