Patek Philippe Annual Calendar Vegan Leather this limited edition model is

this limited edition model is offered in near-mint

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

as well as inner and outer boxes

The JLC Deep Sea Alarm is one

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

Patek Philippe Annual Calendar Vegan Leather this limited edition model isIn 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