Swiss gold watch with translucent Royal blue enamel Circa 1910

Gold and enamel watch with rose-cut diamond-set 
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A very thin and elegant 18 Carat gold Swiss, enamel and rose-cut diamond-set keyless dress watch with a platinum and enamel long chain, circa 1910. Made for Dreicer & Co., New York. The back cover overlaid with translucent Royal blue enamel over an engine-turned ground, the centre with applied platinum and rose-cut diamond-set motif, bezel decorated to match with white line border and bow. Matte silvered dial, black Breguet numerals, outer minute track. Blued steel spade hands. A rhodium-plated, Geneva striping decoration, Extra Adjusted, stamped twice with the Seal of Geneva Quality Mark, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, index regulator.
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Diameter: 48 mm
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Signed: Haas Neveux & Cie  Genève
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Haas Neveux & Cie. created the elegant extra flat watch with a winding mechanism. At the Geneva Exhibition of 1896, they exhibited the first extra flat watch, with a movement only two millimetres thick.