English 18 carat gold key wind lever pocket watch Circa 1835

Gold open faced pocket watch
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An English 18 carat gold key wind open faced pocket watch, circa 1835. Gilt full plate English lever, three-arm balance, diamond end stone.
Engine turned gilt dial, applied gilt Roman numerals, outer minute divisions, applied two colour foliate decoration to the border, gilt serpentine hands.
Engine turned consular case, foliate decorated bezels and bow. Movement signed.
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Diameter: 42 mm
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Signed: Alston & Hallam, Bishopsgate Street, London