Patek Philippe Annual Calendar Moonphase preowned The annual calendar is a

The annual calendar is a complication invented by Patek Philippe

and twin day and date registers at 3:00 and 9:00 respectively

glossy white dial with printed black 'Roman' indices and a matching handset

but distinctive look

Patek Philippe Annual Calendar Moonphase preowned The annual calendar is aIn 1991, the soon to be graduates at the Geneva School of Engineering were presented with their final project prior to receiving their diploma 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 in collaboration with the bright engineering minds at the GSE. Five years later, Patek debuted the Reference 5035 which marked the worlds first