French gold enamel Art Nouveau ladies’ pendant watch Circa 1910

Gold enamel pendant watch by Leroy & Cie.
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An unusual, French, Art Nouveau, gold and enamel ladies’ pendant watch of extremely fine quality, circa 1910.
Exceptionally beautiful 18K gold case with a floral relief border on both sides and blue guilloche enamel on the reverse, a thistle relief in the centre (typical of the Art Nouveau period), and case hallmark Louis Leroy & Cie. Dust cover signed and numbered. Fine, signed Leroy precision lever movement with wolf teeth. Original white enamel dial with red signature, Breguet-style radial hours, outer minutes track, and red gold Breguet hands.
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Diameter: 31 mm
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Weight: 27 g
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Signed: Leroy a Paris, Horlogers De La Marine