Swiss yellow, white gold and enamel dress pocket watch Circa 1925

Gold keyless lever pocket watch
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A Swiss 18K yellow, white gold and enamel keyless dress pocket watch, circa 1925.
A polished case, band and bow hand engraved in a floral and leaf pattern, both bezels decorated with rectangular black enamel inlay, hand engraved yellow and white gold case back centred by an engraved flower bouquet. Matte silvered dial with painted fancy black Arabic numerals, outer minute track, sunk subsidiary seconds dial and blued steel Cathedral hands. Rhodium-plated movement, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial and movement signed, case stamped JxVV.
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Diameter: 46 mm
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Thickness: 8 mm
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Signed: Invicta / Tavannes Watch Co.  Swiss