Swiss platinum Art Deco minute repeating lever Circa 1927

Open faced minute repeating lever dress watch by Patek Philippe
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A highly attractive and very rare Swiss platinum open faced Art Deco minute repeating keyless lever dress watch, circa 1927. Mechanical movement, 29 jewels, bimetallic compensation balance, wolf’s tooth winding, minute repeating on two gongs. Hinged platinum cuvette. Two-tone brushed silvered dial with applied platinum Arabic and baton numerals, platinum feuille hands, engine turned subsidiary seconds. Plain case, engraved initials to the snap on back, pentagonal shaped bow, repeating slide in the band. Case, cuvette, dial and movement signed, Case and movement numbered.
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Daiemeter: 45 mm
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Signed: Patek, Philippe & Cie Geneve