Swiss lady’s watch set with pearls and emeralds Circa 1903

Fine gold lady’s miniature open faced pocket watch
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A fine and rare Swiss gold lady’s miniature open faced pocket watch set with pearls and emeralds, circa 1903.
Nickel silver counterpoised lever movement, cut bimetallic compensation balance with gold peripheral timing screws and blued Breguet balance spring with terminal curve, 18k yellow gold engraved cuvette.
White enamel dial, green Roman numerals, Louis-XV-stylehands, outer minute track with gold five minute indication, 18k yellow gold case, bezel, back and pendant set with pearls, back also set with emeralds, band with white and green enamel dots, cuvette, dial and movement signed.
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Diameter: 27 mm
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Signed: Patek Philippe & Cie. Genève
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With an Extract from the Archives confirming manufacture in 1903 and sale in 1905 and a gilt metal chain.