English 18 carat gold open faced lever watch Circa 1847

An English 18 carat gold keyless wind open faced pocket watch, London hallmark for 1847. Gilt full plate English lever movement, 3-arm balance, diamond end stone. White enamel dial, black Roman numerals, black outer minute track, subsidiary seconds at 6 and blued steel spade hands. Engine turned consular case, plain cartouche to back. Case stamped ‘CM’, movement signed.
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Diameter: 48 mm
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Signed: James Pecolier Crowder