Swiss gold watch with royal blue guilloché enamel Circa 1930

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A fine, thin Swiss 18K gold and enamel keyless dress pocket watch. So-called Royal Blue by Baszanger Genève, circa 1930. The bezel overlaid with royal blue guilloché enamel, the back cover overlaid with royal blue translucent enamel over a wavy sunray ground, white enamel border, the centre with a polished gold disc. Hinged gold cuvette.

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Brushed gilt dial with applied gold Roman and baton indexes, painted minute track, large subsidiary seconds. Gold spade hands. Thin, frosted gilt movement, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, index regulator. Dial signed.
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