Patek Philippe Annual Calendar Moonphase GAS Line Finished in Rolex's 'Tridor' blend

Finished in Rolex's 'Tridor' blend of yellow

With a case design that feels comfortable on the wrist

this particular wristwatch is just plain cool

The Nautilus has become a true piece of horological history

and measures a svelte 6mm in thickness

Patek Philippe Annual Calendar Moonphase GAS Line Finished in Rolex's 'Tridor' blendThe Annual Calendar is a complication invented by Patek Philippe. While it plays second fiddle 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. Launched in 1996, the Reference 5035 was Patek's first Annual Calendar model and set the bar for all that followed including those from competitors. This