Patek Philippe Annual Calendar Flyback Chronograph Shreve Crump & Low It allowed companies like Elgin

It allowed companies like Elgin and Waltham (who envisioned this American system of watchmaking) to produce thousands of watches a year

Elegantly designed

but retaining the correct early bezel assembly

Powered by Breitling’s COSC-certified Calibre 17 self-winding movement

Longines is a brand that needs no introduction

Patek Philippe Annual Calendar Flyback Chronograph Shreve Crump & Low It allowed companies like ElginIn 1991, the soon to be graduates at the Geneva School of Engineering were presented with their final project before receiving their diplomas 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, which marked the world's first