Heavy Swiss 18 carat gold minute repeating watch Circa 1900

Gold minute repeating watch by Du Bois & Le Roy
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A very fine and rare heavy and large Swiss 18 carat yellow gold hunting cased minute repeating keyless lever pocket watch, circa 1900. Hinged gold cuvette.
White enamel with Breguet numerals, outer minute track, subsidiary seconds and gold spade hands. Gilt movement with lever escapement, cut bimetallic compensation balance, blued steel balance spring. Repeating on gongs activated by a slide on the band. Polished case. Signed Du Bois & Le Roy on the Case and LeCoultre on the Movement.
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Diameter: 54 mm
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Signed: Du Bois & Le Roy
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Original fitted box.