Patek Philippe Perpetual Calendar 725

Reference 725 | A very fine gold open-faced perpetual calendar keyless lever watch with moon phases | Made in 1941 Patek Philippe

· 17’’’ Victorin Piguet & Cie ébauche, calibre 17-170 , damascened Côtes de Genève decoration, stamped twice with the Geneva seal, straight line lever escapement, jewelled to the centre, bi-metallic compensation balance, micrometer regulation, Breguet hairspring, movement signed and numbered Patek Philippe & Co. Genève , No. 930139 · silvered dial signed Patek Philippe & Co. Genève , applied gold Arabic numerals, outer minute ring with applied gold dots at the hours, four subsidiary dials with French abbreviations for days, months/leap year cycle, date, subsidiary seconds combined with aperture for moon phases, the calendar with blued steel feuille hands, gold feuille hour, minute and subsidiary seconds hands · 18ct yellow gold case, scooped bezel, pendant with hooped bow, case back with vertical satin finish, satin finished case sides, recessed pusher to right side of case for simultaneous manual advancement of the calendar indications, further pusher beneath 7 o’clock for advancing moon phases, signed and numbered Patek Philippe & Co. Genève, No. 626639, poinçon de Genève key mark 1 diameter 46mm Accompanied by Patek Philippe Extract form the Archives confirming production in 1941 and date of sale on June 28, 1943.