French gold dress watch with two-tone silver dial Circa 1920

Gold lever watch with engraved diamond decoration
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A fine and rare, thin French, 18K yellow gold dress watch, with a two-tone 24-hour dial, circa 1920. The case back with engraved diamond decoration, polished band and bezels. Two-tone guilloché silver dial with bold black radial Roman I-XII and Arabic 13-14 on concentric chapter rings intersected by guilloché fields, outer minute divisions. Blued steel Breguet hands. A rhodium-plated movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance with eight adjustments, blued steel Breguet balance spring, micrometric cam regulator. Dial, case and movement signed.
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Diameter: 44.5 mm
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Signed: Cartier Paris
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The case is slightly rusted and scratched
The movement and dial are slightly oxidized