Fine English 18 carat gold chronograph pocket watch Circa 1893

Open faced pocket watch
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A fine English gold keyless wind open faced chronograph pocket watch, Chrono-Micrometer, Chester Hallmark for 1893. Gilt 3/4 plate English lever movement with cut and compensated bimetallic balance, engraved and sunburst design gilt chronograph work and engraved patent numbers.
White enamel dial with black Roman numerals, black outer minute track and 1/5th second divisions, subsidiary dials at 12 o’clock and 6 o’clock for backwards running seconds and 30 minute recording, gilt spade hands, centre chronograph hand.
Polished hinged case with a monogram to the back. Dial and movement signed, case stamped F.T.
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Diameter: 50 mm
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Signed: No name