Swiss 18 carat gold open faced keyless lever watch Circa 1925

Gold dress watch by Patek Philippe & Co.
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A fine flat Swiss 18 carat yellow gold open faced keyless wind lever watch, circa 1920-1925. This watch features a signed mechanical winding movement with lever escapement. It has a silvered dial with applied stylised Arabic numerals, dot minute divisions on the outer edge, a subsidiary seconds display at 6 o’clock, and Breguet style hands. The smooth case is crafted from 18 carat yellow gold. Both the dial and the case are signed.
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Diameter: 45 mm.
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Weight: 55.5 g
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Signed: Patek, Philippe & Cie. Geneva Switzerland