Swiss gold repeating pocket watch with six complications Circa 1925

Gold dress watch with apocryphal Vacheron & Constantin signature
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A rare, Swiss gold open faced keyless-winding dress watch with minute-repeater, perpetual calendar and moon phases, circa 1920-1930.
Calibre 18 movement, lever escapement. Enamel patinated dial with applied Arabic and bullet indexes, outer minutes track, subsidiary dial for the seconds, blued steel hands, and six horological complications: – Perpetual calendar;  – Date of the month (subsidiary dial at 3 o’clock); – Day of the week (subsidiary dial at 9 o’clock; indications given in French); – Month of the year (subsidiary dial at 12 o’clock; indications given in French); – Four-year cycle of leap-years (subsidiary dial at 12 o’clock); – Phases of the moon (aperture at 6 o’clock). Round-shaped 18K yellow gold polished case.
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Diameter: 46 mm
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Unsigned.
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Two bridges are clumsily engraved twice with an apocryphal Vacheron Constantin signature. Most of the repeating mechanism is missing as is part of the perpetual calendar mechanism.