Large Swiss staybrite stainless steel dress watch Circa 1940

Stainless steel lever by Patek Philippe & Cie
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A large Swiss stainless steel staybrite keyless dress watch, circa 1940. The band and reverse are brushed. Silver engine-turned dial with radial Roman numerals, outer minute track and subsidiary seconds dial in polished rings and blued steel baton hands. A rhodium-plated movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck regulator. Dial, case and movement signed.
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Thickness: 11 mm
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Diameter: 50 mm
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Signed: Patek Philippe & Cie  Genève
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Accompanied by a pouch.