English gold and blood stones small verge watch Circa 1760

Gold and bloodstones small verge watch
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An English gold and red jasper case, bezel set with 4 and 8 brilliant ruby, circa 1760. Full plate fire gilt movement, pierced and engraved cock, verge escapement, fusee and chain, spring balance and silver regulator disc. White enamel dial with Roman numerals for the hours and Arabic numerals for the minutes, steel beetle and poker hands.
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Diameter: 34 mm
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Weight: 41 g
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Signed: Lewis Ferral London
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Ferral & Rouseau, London 1777.