Patek Philippe Annual Calendar tangiblee based on a forgotten workmanship

based on a forgotten workmanship technique

the IWC Big Pilot's Watch Perpetual Calendar T OP GUN features a striking ceramic color

Pared-back yet elaborate

Yellow gold 750/1000 case set with 40 brilliant-cut diamonds totalling 0

Patek Philippe Annual Calendar tangiblee based on a forgotten workmanshipIn 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 atthe GSE. Five years later, Patek debuted the Reference 5035 which marked the worlds first ever