Swiss gold chronograph by vacheron constantin Circa 1927

A Swiss chronograph 18k yellow gold by vacheron constantin, circa 1927
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A Swiss 18 carat gold watch by Vacheron Constantin, circa1927
White enamel dial with gold hands, 18K yellow gold, open aced, keyless-winding, round-shaped, pocket watch, with subsidiary seconds at 6, 1/5 second chronograph (activated by the single round push-piece located on the winding-crown). Case back engraved in
taille-douce (fine cut) with the cypher “P.D.”.
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Diameter: 50 mm
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Signed: Vacheron & Constantin Geneva
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The Extract from the Archives, dated September 2019, mentioned that this watch was sold in 1927