Swiss 18 carat gold open faced lever pocket watch Circa 1925

A Swiss 18 carat gold open faced pocket watch, circa 1925. Gilt Swiss lever movement, cut and compensated bimetallic balance. Silvered guilloché engraved dial, black Arabic numerals, black outer minute track, subsidiary seconds at 6 and blued steel hands. Polished round hinged case, monogram to back, cuvette engraved ‘J.A.M. Mulder, La Haye’. Case, dial and movement signed, case stamped for Den Haag. Accompanied by a Vacheron & Constantin case, Dutch hallmarked 14 carat gold chain and fob.
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Diameter: 49 mm
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Signed: Vacheron & Constantin Genève