Swiss gold min repeating split seconds chronograph Circa 1903

Gold open faced minute repeating chronograph by Patek Philippe
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A fine and rare Swiss 18 carat gold open faced minute repeating keyless lever split seconds chronograph watch, circa 1903. Retailed by Tiffany & Co. Nickel finished jewelled lever movement, bimetallic compensation balance, micrometer regulator, minute repeating on two hammers on to two gongs, repeat activated through a slide in the band. Gold cuvette. White enamel dial with Breguet numerals, outer calibrated fifths seconds ring, red Arabic fifth divisions, two sunken subsidiary dials for 30 minute register and constant seconds. Polished case, split seconds operated through the crown and a button in the band, monogrammed hinged back. Case, dial and movement signed by the retailer. case and movement numbered.
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Diameter: 51 mm
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Signed: Tiffany & Co