Rare American 18k gold octagonal pocket watch Circa 1930

Gold open faced lever pocket watch 
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A fine and rare American, 18K yellow gold keyless pocket watch, circa 1930. An Empire case, octagonal, polished back with outer floral motif engraving, centred by a gold and silver portrait of children. Enamel dial with painted blue Arabic numerals, outer minute divisions, set in the centre of a blued plate with applied yellow gold cherubs appearing to strike the centre bell above floral decoration. Pink gold fancy hands. A rhodium-plated movement, 17 jewels, straight-line lever escapement, cut bimetallic balance, self-compensating Breguet balance spring. Movement signed.
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Diameter: 43 mm
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Thickness: 14 mm
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Signed: Waltham  USA