A very fine and rare 18k white gold self-winding wristwatch with date.
Cal. 27-460M automatic movement stamped twice with the Geneva seal, 37 jewels, 18K gold rotor, brushed silvered dial, applied white gold baton numerals, subsidiary seconds, window for date, circular water-resistant-type case, faceted lugs, screw back, 18k white gold Patek Philippe buckle, case, dial and movement signed
With Patek Philippe Extract from the Archives confirming production of this watch in 1964 and its subsequet sale on March 29th., 1965.
Ref.3445, Patek Philippe's first calendar watch made in series, was in production from 1961 to 1981.