Swiss 18K gold minute repeating lever dress watch Circa 1910

Gold open faced watch with a photo portrait
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A very fine, thin and elegant Swiss 18K gold open faced minute repeating keyless lever dress watch, circa 1910. Plain case, the back cover with blue enamel initials. Hinged gold cuvette with a photo portrait. Matte silver dial, champlevé Breguet numerals, outer minute track, subsidiary seconds and blued steel Breguet hands. A rhodium-plated movement, inscribed Grand Prix Paris 1900, 31 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, micrometre regulator, repeating on gongs activated by a slide on the band. Dial and case signed.
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Diameter: 48 mm
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Signed: Paul Ditisheim La Chaux-de-Fonds