Swiss gold two train trip minute repeating lever Circa 1904

Gold open faced minute repeater by Patek Philippe
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A very fine, rare Swiss 18 carat gold open faced two train trip minute repeating keyless lever watch, circa 1904. Jewelled two train lever movement, repeating on two polished steel hammers onto two gongs. White enamel dial with Breguet numerals, subsidiary seconds and blued steel hands. Monogrammed case, trip repeating through the crown. Case, dial and movement signed, movement and case numbered, movement further signed Frank Laubach & Clemmer Co Akron Ohio.
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Diameter: 47 mm
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Signed: Patek, Philippe & Cie Genève