Swiss thin 18k gold minute repeating pocket watch Circa 1920

Gold hunting cased pocket watch by Paul Ditisheim
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A very fine and rare Swiss 18k yellow gold, thin pocket watch by Paul Ditisheim, retailed by J. Borbolla, Habana, circa 1920. A hunting cased, keyless, minute-repeating dress watch with extra fine adjustments. Entirely decorated with a repetitive horseshoe pattern, concealed hinges, hinged gold cuvette with inscription. Two-tone silver dial with painted large Arabic numerals on an outer plain reserve, outermost minute track, guilloché centre, subsidiary seconds dial. Blued steel Breguet hands. A nickel movement, 30 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs by activating slide on the band. Dial and case signed movement signed Grand Prix Paris 1900. Case with Paul Ditisheim’s Master Mark.
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Diameter: 48 mm
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Signed: Paul Ditisheim Swiss