Very fine English gold pair cased cylinder watch Circa 1764

Gold cylinder watch in pair cases by John Ellicott
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Very fine English 22 carat gold pair cased cylinder pocket watch, Hallmarked London 1764. Cylinder movement with diamond endstone, signed and numbered plate, extraordinary and decorative pillars, worm gear. White enamel dial with Roman hours and Arabic minutes, rose gold poker and beetle hands. Plain case, high quality 5 part lateral hinge, magnificent nobility coat of arms to the back, matching WW maker’s mark with star in both cases.
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Diameter: 49 mm
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Weight: 111 g
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Signed: Ellicott London
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John Ellicott (1706-1772) is regarded as one of the most important watchmakers in England and established himself around 1728. In 1738 he became a member of the Royal Society. Ellicot was the inventor of a compensating pendulum and pushed the development of the cylinder escapement a few years after its improvement by Graham. In some of his later watches the cylinder was even made of rubies. His son Edward already worked with his father John since 1760. After his unexpected death in 1772 he continued the business alone until his own death in 1791.