Patek Philippe Annual Calendar Aviation The DOXA Sub 300T Professional

The DOXA Sub 300T Professional

Elegant and unassuming yet boasting a unique and beautiful dial

this elegant cocktail watch is the ideal accessory for a night out

1 movement within — which is thankfully visible through a sapphire display caseback

Fortis is nearly as old as Valjoux itself

Patek Philippe Annual Calendar Aviation The DOXA Sub 300T ProfessionalIn 1991, the soon to be graduates at the Geneva School of Engineering were presented with their final project prior to receiving their diploma: to 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