English gold plated open faced cylinder pocket watch Circa 1780

Pocket watch with lavishly decorated movement
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A cylinder pocket watch made by G.F. Graham in London, England, circa 1780. The open faced plain case is gold plated and the white enamel dial has Arabic hour numerals and gold hands. The numbered and lavishly decorated movement has a cylinder escapement, an early spring preload and a diamond end stone.
Movement signed.
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Diameter: 50 mm
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Weight: 114 g
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Signed: Geo. Graham, London