Swiss gold, enamel, pearl and diamond ball form watch Circa 1900

Gold decorative brooch watch 
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A very fine and elegant gold Swiss, enamel, diamond and pearl-set, bezel wound and set ball form pendant watch with a matching gold, enamel and diamond detachable brooch pin. Accompanied by a fitted box and letter attesting provenance. Blue enamel with a gold star motif, the bezel and top set with diamonds, and the band set with pearls. The brooch is gold with blue enamel in the shape of a ribbon and a crescent set with diamonds. White enamel dial, blue and red Arabic numerals, outer minute track. Gold spade hands. A frosted gilt movement, lever escapement, cut bimetallic balance, blued steel Breguet balance spring, index regulator.
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Diameter: 20 mm
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Signed: Anonymous  Swiss
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Slightly restored hard enamel, lacking elements.
The plating deteriorated on the movement.