Thin French 18K frosted yellow gold pocket watch Circa 1930

Gold lever keyless pocket watch
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A fine and rare French, thin, 18K frosted yellow gold keyless pocket watch, circa 1930. A solid case, bezel decorated with gold leaves and scrolls, the case back with a religious scene cast in relief, engraved Nec Magnos Metuent Armenta Leones, signed by J. Roukhomovsky. Guilloche silver dial with painted Arabic numerals, outer minute track. Blued steel Breguet hands. A rhodium-plated movement, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. Dial signed, numbered on the case.
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Thickness: 7 mm
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Diameter: 48 mm
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Signed: Spaulding & Co.  Paris
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The dial is patinated.