Thin Swiss silver watch with niëllo chain pattern Circa 1910

Silver open faced lever
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A fine and thin Swiss silver open faced keyless dress watch, circa 1910. The hinged niëllo back cover is decorated in a chain pattern and an off center blanc silver crest, the bezel decorated to match. Guilloché champagne dial with black painted Breguet numerals on a plain reserve, outer minute track, subsidiary seconds dial and blued steel spade hands. Frosted gilt movement, 15 jewels, straight line lever escapement, cut bi metallic compensation balance, blued steel Breguet balance spring and an index regulator.
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Thickness: 9 mm
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Diameter: 47 mm
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Signed: Haefliger Freres  Lucerne, Swiss