Unusual Swiss gold and diamond pendant watch Circa 1910

Gold ball form watch by Anonymous
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A fine and unusual Swiss, gold and diamond pendant watch, wound and set by rotating the bezel, circa 1910. A solid case, yellow gold, pavé set with round diamonds, button in the band to set the hands. White enamel dial with black and red Arabic numerals, outer gold star minute track. Gold spade hands. A frosted gilt movement, cylinder escapement, three-arm brass balance, blued steel flat balance spring, index regulator.
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Diameter: 22 mm
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Signed: Anonymous  Swiss