Patek Philippe Annual Calendar Moonphase Pre-owned “I’ve paged through stacks of

“I’ve paged through stacks of books on the history of watches

5000 manually wound movement with an incredible 8 days of power reserve within

Accompanied by its signature outer red presentation box and inner Cartier-embossed leather sleeve

clean looks

The first Tuna

Patek Philippe Annual Calendar Moonphase Pre-owned “I’ve paged through stacks ofIn 1991, the soon to be graduates at the Geneva School of Engineering were presented with their final project prior to receiving their diploma to simplify the perpetual calendar. Although the task was easier said than done, their work led to the inception of the annual calendar complication, patented by Patek Philippe in collaboration with the bright engineering minds at the GSE. Five years later, Patek debuted the Reference 5035, a watch powered by