French gold miniature diamond-set pendant watch Circa 1910

Gold diamond-set watch with brooch by Le Roy
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A historically important French miniature diamond-set watch with a diamond brooch with an enamelled royal crown, circa 1910.
One of the smallest well-known lever movements from Le Roy, only 13mm in diameter. Gold case, partially platinum-plated, completely set with fine diamonds, exceptional quality, dust cover signed and with the dedication To his Majesty the King. The brooch is also gold and with diamonds; the total weight is circa 14 g. Enamel dial with Arabic radial hours, 12 in red, and pink gold hands.
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Diameter: 19 mm
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Weight: 14 g
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Signed: Le Roy Paris To his Majesty the King
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It is probably a commissioned work for the English royal family.