Swiss 18k yellow gold keyless lever pocket watch Circa 1910

Gold watch made for Klune & Floberg 
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A Swiss 18K yellow gold open faced keyless pocket watch, circa 1910. Watch by Philippe & Co, Genève made for Klune & Floberg Sacramento. An engraved hinged case back, bezel and name-engraved gold cuvette. White enamel dial with black Arabic numerals, outer minute track with five-second red Arabic numerals and pink gold Louis XV hands. A nickel movement, 18 jewels, straight lever escapement, flat balance spring, cut bimetallic compensation balance with timing screws, index regulator.
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Thickness: 11 mm
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Diameter: 45 mm
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Signed: Patek Philippe & Co.  Genève
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The case is slightly worn.