French platinum and enamel keyless dress watch Circa 1925

Platinum case with champleve enamel monogram
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A French platinum and enamel, keyless dress watch, circa 1925. A polished case, wide bezel, the case back with circular black champleve enamel monogram DBA. Silver, engine-turned dial, inner Roman chapter ring for the hours, outer minute track with Arabic five-minute numerals and blued steel halberd hands. A rhodium-plated movement, Geneva striping decoration, 19 jewels, straight-line lever escapement, cut bimetallic compensation balance with eight adjustments, blued steel flat balance spring, and an index regulator. Dial and case signed Cartier, movement signed E.W & C. Co. Inc.
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Diameter: 46 mm
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Signed: Cartier  Paris
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Cartier was founded by Louis-François Cartier. He was born in 1810. In 1847 Louis-François was able to take over the jewellery shop of his teacher Adolphe Picard at 31 Rue de Montorgueuil, Paris. It is a French jewellery house specializing in making very luxurious jewellery such as rings, bracelets, earrings, necklaces and watches.