Swiss 18K gold center seconds lever pocket watch Circa 1880

Gold precision watch
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A heavy Swiss 18 carat gold open faced center seconds gentlemen’s pocket watch, circa 1880 . The high quality precision movement with a lever escapement, screwed chatons and a diamond endstone. White enamel dial with Roman hour numerals, an outer minute track, sunk subsidiary seconds at 6 o’clock and blued hands. A plain case. Case numbered.
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Diameter: 50 mm
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Weight: 114 g
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Signed: No name