Swiss 18 carat yellow gold lever pocket watch Circa 1920

Gold open faced pocket watch
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A yellow gold open faced keyless watch, retailed by wright kay & co. Detroit, circa 1920. Manual winding nickel lever movement, 18 jewels, bimetallic compensation balance, white dial, Arabic numerals, outer minute track, subsidiary seconds, 18k yellow gold case and cuvette, bezel decorated with Roman motif pattern, dial and movement signed, case and cuvette signed and numbered.
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Diameter: 47 mm
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Signed: Patek Philippe  Swiss
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Accompanied by a Patek Philippe Extract from the Archives.