American gold split second chronograph Circa 1895

Gold open faced lever
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An American 18 carat yellow gold keyless pocket watch with split second chronograph, made by Tiffany & Co. in New York, circa 1895. Plain case with an engraved dedication on the cuvette. Chronograph is activated by the single round push piece located on the winding crown, safety bolt locking the chronograph’s functions slide at 11 o’clock. Split seconds is activated by the rectangular push piece located on the case band at 10:30. White enamel dial with Roman numerals, outer 1/5th seconds track with five second red Arabic markers, sunk subsidiary seconds dial and blued steel spade hands. A three quarter, nickel plated movement made by Patek Philippe, Geneva striping decoration, 29 jewels, straight line calibrated lever escapement, cut bimetallic compensation balance with gold adjustment screws, blued steel Breguet balance spring. Dial, Case and Movement are signed.
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Diameter: 46 mm
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Signed: Tiffany & Co.  New York