Swiss 18K gold and enamel keyless pendant watch Circa 1900

Gold cylinder watch with open face by LeCoultre
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A fine, gold, enamel Swiss keyless-winding ladies’ pendant watch with diamonds, circa 1900.
Signed LeCoultre cylinder movement. Round-shaped 18K gold case, blue guilloche enamel on the back, rich diamonds on both sides, the handle is also set with diamonds on both sides, case number 68131. Enamel dial with blue Arabic radial hours, outer minutes track, and original gold Louis XV-style hands.
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Diameter: 25 mm
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Weight: 18 g
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Signed: LeCoultre