Swiss stainless steel open faced lever watch Circa 1942

Lever watch by Patek Philippe
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A Swiss stainless steel open faced keyless lever watch, circa 1942. Nickel finished jewelled lever movement stamped twice with the seal of Geneva, bimetallic compensation balance, swan neck regulator.
Silvered matte dial, applied dot and Arabic numerals, silvered feuille hands, subsidiary seconds. Plain case, snap on back. Case, dial and movement signed.
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Diameter: 48 mm
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Signed: Patek Philippe & Cie Genève
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Patek Philippe Extract from the Archives confirming date of sale in 1942.