Retrograde Perpetual Calendar Field This Spring Drive model is

This Spring Drive model is fitted with a specially adjusted caliber 9R15 manufactured at the Shinshu Watch Studio

This timepiece is complete with words 'the first watch worn onthe moon' engraved into the case back

The matching black brushed ceramic dial is laser-engraved with the classic Seamaster wave pattern

this rare and iconic piece boasts a signature fumé dial design

THE PERFECT PIECE

Retrograde Perpetual Calendar Field This Spring Drive model isIn the world of Patek Philippe perpetual calendars, retrogrades are complete sleepers. Typically found in aperture or subregister variants, the retrograde configuration has its own unique charm and an unmistakable quality for being decidedly different. Take this reference 5050P, for example. A relatively underappreciated reference, the 5050 was presented in 1993 as a return to classic Patek. Influenced by many of Pateks retrograde style pocket