English 18k gold key wind open faced pocket watch Circa 1817

Gold open faced pocket watch
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A fine English key wind 18 carat open faced pocket watch, London Hallmark for circa 1817. Gilt full plate fusee verge, engraved balance cock, diamond end stone.
Gilt with Clous de Paris centre, applied gilt Roman numerals, outer gilt minute divisions, gilt spade hands.
Engine turned consular case with reeded band. Signed movement, case stamped CL.
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Diameter: 44 mm
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Signed: Samuel Allport, Birmingham