Large English repoussé double cased verge watch Circa 1750

Gold repoussé verge watch 
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A large English 18 Carat key wind pair case pocket watch with repoussé decoration, circa 1750. Gilt full plate fusee verge movement, pierced and engraved balance cock, silver regulation,
White enamel dial, black Roman numerals, black outer minute track with Arabic numeral 5 minute markers, blued steel beetle and poker hands.
Polished round inner, repoussé outer possibly depicting Ceres. Movement signed and case stamped S.D.
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Diameter: 59 mm
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Signed: Isa Dalton, London
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Isaac Dalton. London pre-1770.