Swiss 18k gold five-minute repeating watch Circa 1913-1946

Gold five-minute repeating watch by Patek Philippe
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A Swiss 18k yellow gold open-faced five-minute repeating watch, circa 1913-1946, nickel lever movement, 31 jewels, repeating on two hammers, 18k gold cuvette.
Silvered dial, applied gold Breguet numerals, subsidiary seconds, case back with hidden hinge, case, cuvette, dial and movement signed.
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Diameter: 46 mm
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Signed: Patek Philippe
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With an Extract from the Archives confirming production of movement from 1913 to 1922, encasement in 1924 and sale in 1946.