English 18 carat gold open faced lever watch Circa 1837

An English 18 carat gold key wind open face pocket watch. London Hallmark for 1837. Gilt full plate English lever movement, 3 arm balance, diamond end stone. Gilt  dial, applied gilt Roman numerals, outer minute divisions, applied three colour foliate decoration to border, foliate engraved centre and blued steel hands. Foliate engraved consular case. Movement signed, case stamped ‘CM’ (Charles Muston).
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Diameter: 41 mm
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Signed: George Parsons Bristol