Swiss 18 carat gold minute repeating pocket watch Circa 1925

Gold open faced lever watch 
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A yellow gold open faced minute repeating watch, circa 1925. Nickel lever movement, 29 jewels, 8 adjustments, bi metallic compensation balance, two hammers repeating on two gongs, matte gilt dial, painted black Breguet numerals, blued steel Spade hands, subsidiary seconds, outer minute track, 18k gold case, and cuvette, repeating slide to the band, dial, cuvette, and movement signed.
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Diameter: 47 mm
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Signed: Vacheron Constantin  Geneve