Patek Philippe Annual Calendar

In 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 world’s first-ever annual calendar movement and finally bridged the gap between a triple date function and the formidable quantième perpétuel. This piece transports us forward to the present day and is a beautiful modern interpretation of the Patek Philippe Annual Calendar complication. A Reference 4937R designed for their ladies' collection, this elegant timepiece features a 37mm 18k rose gold case with contoured lugs, a factory diamond-set bezel, case, and lugs, and a signed crown with a factory diamond setting on the periphery. Its stunning mother of