Dress watch with associated chain and penknife Circa 1926

Platinum, gold and enamel open faced lever by Patek Philippe
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A fine Swiss platinum, gold and enamel open faced keyles lever dress watch with associated platinum and enamel chain and penknife, circa 1926. Nickel finished lever movement, 18 jewels. Silvered dial with applied platinum Breguet numerals, white gold moon style hands and subsidiary seconds. Both bezels with black enamel and gold floret detail, pendant and bow with black enamel decoration, snap on case back with engraved monogram WGM in a lozenge. Case, dial and movement signed, case and movement numbered. Comes with platinum and black enamel chain and penknife bearing the same initials.
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Diameter: 45 mm
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Signed: Patek, Philippe & Cie Geneva, Switzerland