Swiss gold ball-shaped lever with bezel winding Circa 1900

Gold pendant watch in the shape of a ball
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A very fine Swiss gold ball-shaped pendant watch with bezel winding and hand-setting, circa 1900. Matte gilt full plate movement, 10 jewels, lateral lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. White enamel dial with black Arabic hours and red 12, outer gilt dot minute divisions and blued steel spade hands. A ball-form case.
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Diameter: 18 mm
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Signed: No name