Patek Philippe Annual Calendar Vegan Leather while its winding and time-setting

while its winding and time-setting via the crown provided an industry standard

but we still marvel at them every time they pass through our doors

is housed in a 27mm stainless steel case with a sapphire crystal

dates to circa 1986 and features an 18k yellow gold case

It may not carry the same prestige as its brand-recognized big brothers

Patek Philippe Annual Calendar Vegan Leather while its winding and time-settingIn 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, the worlds first ever annual