3417, Amagnetic, Steel Datograph perpetual calendar

perpetual calendar

It features a slimmer case than the Datograph (at 39

peripheral minute hands

or roughly 300 examples in total

in addition to the rubberized protective details

3417, Amagnetic, Steel Datograph perpetual calendarA ref. 3417 Amagnetic, a Calatrava like peer which blurs the line between utilitarian purpose and refinement. This was in 1958 the sole Patek Philippe model to be made only in steel. It features a 35mm case, Stern dial with an art deco 12 and handwritten Amagnetic font, and highly engineered antimagnetic manual calibre 12 400 AM. This 1959 example features an early production Type 1 dial with a larger petite seconds, no Swiss signature, and indices