Patek Philippe Annual Calendar Moonphase objects & decor the Rolex GMT Master became

the Rolex GMT Master became a runaway--or shall we say

boasts a fine even patina to the tritium elements of the dial

a bidirectional rotating dive timing bezel with a crisp black aluminum insert

collectors take note

Patek Philippe Annual Calendar Moonphase objects & decor the Rolex GMT Master becameIn 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