American gold five minute repeating chronograph Circa 1910

Gold and enamel repeating chronograph
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A fine and rare American yellow gold and enamel five minute repeating split seconds chronograph open faced watch with register, circa 1910, nickel lever movement, 31 jewels, column wheel split second chronograph.
White enamel dial with painted black Arabic numerals, subsidiary dials for the constant seconds and 60 minute register, outer minute track, 1/5th seconds track with red Arabic numerals, spade hands, bassine 18k yellow gold case, hinged cuvette, coaxial chronograph button to the crown, split second pusher at 10, chronograph lock at 11, slide to activate the minute repeater at 9 o’clock, case, dial and movement signed.
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Diameter: 52 mm
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Signed: Tiffany & Co.