Swiss gold chronometer hunting cased watch Circa 1910

Gold chronometer hunting cased watch
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A Swiss yellow gold chronometer hunting cased keyless lever watch, circa 1910, royal chronometer, cal. 22”’ nickel lever movement, 19 jewels, cut bimetallic balance, swan-neck micro-regulator.
White enamel dial, Roman numerals, subsidiary seconds, yellow gold cuvette, 18k yellow gold guilloché case, case, cuvette and movement signed and numbered.
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Diameter: 58 mm
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Signed: Vacheron & Constantin