Swiss yellow gold minute repeating dress watch Circa 1920

Gold lever open faced watch 
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An elegant Swiss 18K yellow gold minute repeating keyless dress watch, circa 1920.
A polished case with a hinged gold cuvette. Champagne dial with Breguet numerals, outer minute track, subsidiary seconds, engine-turned centre and blued steel spade hands. Rhodium-plated movement, Geneva striping decoration, 31 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Dial, case and movement signed.
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Diameter: 45 mm
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Thickness: 9 mm
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Signed: Haas Neveux & Cie.  Genève
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Haas: The house founded in Geneva in 1848 by the brothers Léopold Haas (1827-1915) and Benjamin Haas (1828-1925) is one of the oldest Swiss watch manufacturers. Later renamed Ancienne Maison B. Haas Jeune, then Haas Neveux & Co. The Haas signature has always been one of the most sought-after, thanks to the impeccable standards of the company. They gained a reputation as a manufacturer of fine chronometers, chronographs and highly complicated watches. Among their most notable creations was the ‘remontoir perpétuel à décrochement’ (perpetual winding crown) in 1867 and 1873, a perpetual calendar in 1872 and later the first ultra-thin watch movement in circa 1896.