Swiss yellow gold open faced keyless pocket watch Circa 1915

Gold lever watch by Patek Philippe & Co.
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A Swiss 18 carat yellow gold open faced lever pocket watch, made by Patek Philippe & Co., Geneva, Switzerland, circa 1915. The watch features an ultra thin 17”’ Calibre lever movement with 18 jewels and 8 adjustments. It has an engine turned champagne coloured gilt dial with Roman numerals, railway minute divisions, a subsidiary dial for the seconds, and blued steel Breguet hands. The case is made of 18 carat yellow gold, with a hinged case back featuring an enamelled monogram PHG and the text J.H.H. The case, dial, and movement are all signed. A Patek Philippe extract from the Archives accompanies the watch, verifying its sale date as December 27, 1915.
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Diameter: 44 mm
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Signed: Patek Philippe & Co. Geneva Switzerland
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Surface scratches and scuffing throughout the case are visible to the naked eye and consistent with use. Bottom case band with a couple of nicks. Light patina throughout. Previous polish in our view. The dial is in overall very good condition. Hands with heavy oxidation. The movement is running.