Patek Philippe Annual Calendar Moonphase Saffiano Gruen even launched an initiative

Gruen even launched an initiative to restore and refurbish customers’ older watches

the mechanical movement features a secondary manually-wound spring which

They enlarged the Oyster case and made it thicker

This particular piece of ephemera is a Swiss-made Omega “Seamaster Titane” sign

Patek Philippe Annual Calendar Moonphase Saffiano Gruen even launched an initiativeIn 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 Philippe in collaboration with the bright engineering minds at the GSE. Five years later, Patek debuted the Reference 5035, a watch powered by