Patek Philippe Cushion Shaped Perpetual Calendar in 18k Yellow Gold Ref. 5940J with Original Certificate of Origin 22/18 This 1601 is a slow

This 1601 is a slow set date model and has a great case with thick and even lugs

The case is in good condition with even lugs and great definition on the engine-turned bezel

calibre BVL 138

a two-register chronograph in a large 38mm steel case

Patek Philippe Cushion Shaped Perpetual Calendar in 18k Yellow Gold Ref. 5940J with Original Certificate of Origin 22/18 This 1601 is a slowPatek Philippe is well versed in crafting perpetual calendar watches, which are consistently sought after by collectors worldwide. In fact, Patek has been making them since 1925, when they introduced the first perpetual calendar wristwatch in history. Cushion shaped watches have also enjoyed popularity at Patek Philippe since the Art Deco movement swept through the world. At hand, we have an 18k yellow gold specimen that we absolutely love! The