American lady’s gold open faced pocket watch Circa 1890

Very fine Tiffany lady’s chronograph with original box
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Very rare Tiffany ladies chronograph with original box, circa 1890.
An 18 gold gold, engine turned, fine engraved monogram ET on back, no.71413, precision lever movement with chronograph.
The bridge is  signed, rare and very fine single button chronograph; start, stop and reset by pushing the crown, original and enamel dial.
Chronograph register and red minutes, blued steel hands,  altogether in very beautiful condition, with probably original box.
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Diameter: 35 mm
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Weight: 37 g
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Signed:  Tiffany & Co   New York
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Dial with small peripheral imperfections