Patek Philippe Annual Calendar Reverso black leather one-piece strap with

black leather one-piece strap with contrasting top stitching and a stainless steel pin buckle

makers of some of the world’s best ultra-thin

a piece of modern technology that echoes the aesthetic of acrylic used on the original models while offering improved durability and scratch resistance

and that this one may have been installed at the factory without one

In the face of collector craze

Patek Philippe Annual Calendar Reverso black leather one-piece strap withThe Annual Calendar is a complication invented by Patek Philippe. While it plays second string to the perpetual calendar in the minds of most collectors, the reality is that the construction of the annual calendar mechanism is equally challenging, and in some cases, requires even more components. The Reference 5035 was Patek's first Annual Calendar model launched in 1996, and set the bar for all that followed including those from competitors. This