Swiss gold open faced ankerchronometer watch Circa 1900

Gold lever pocket watch by Vacheron & Constantin
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A Swiss 18 carat gold open faced ankerchronometer pocket watch, circa 1900. High-quality ankerchronometer movement, wolf’s toothing, fine adjusting device, additionally inscribed Chronometre Royal. White enamel dial with Arabic hours and outer minute divisions, subsidiary seconds, gold hands. Solid case, the back with sunray engine-turning. Dial and cuvette signed, case numbered, movement signed and numbered.
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Diameter: 52 mm
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Weight: 103 g
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Signed: Chronometre Royal Vacheron & Constantin Genève