Fine and large Swiss 18K gold anker chronometer Circa 1915

Gold open faced gentlemen’s pocket watch
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A fine and large Swiss 18 carat gold open faced keyless anker chronometer, the Chronomètre Royal, made by Vacheron Constantin SA in Geneva, circa 1915. The high quality gilt anker chronometer movement with a lever escapement. White enamel dial with Arabic hour numerals, an outer minute track, sunk subsidiary seconds at 6 o’clock and gold spade & whip hands. The case back with sunray engine turning, a cartouche monogrammed HR in de lower part, plain bezels, pendant and bow. Dial and cuvette signed, case and movement signed and numbered.
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Diameter: 54 mm
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Signed: Chronometre Royal Vacheron & Constantin Genève