Gold verge pocket watch with date of the month Circa 1785

Unsigned open faced pocket watch with date
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A yellow gold and blood-stone key-winding Louis XVI-style pocket watch with the date of the month, circa 1780-1790.
Calibre 13″ movement, fusee and chain, verge escapement. Enamel Louis XVI-style dial with Roman radial hours, outer minutes track with five minutes numerals, original decorative hand, and one horological complication: · Date of the month (inner graduation with central index and central hand). Round-shaped yellow gold and blood-stone case, case back with applied rosacea décor.
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Diameter: 38.5 mm
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Unsigned
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Chipped winding aperture, and lacking elements.