Hello everyone, The Patek Philippe 5140P-017 Perpetual Calendar with Grey dial was the last version, unveiled in 2016, of the former Perpetual Calendar-only generation. The first 5140 reference was launched in 2006 and, aesthetically speaking, was known as a very classical design. Though the “contemporary” qualification sounds like a contradiction with the 5140 collection, it is I think perfectly relevant in this very case. Even if its launch was quite discreet on the internet, I think that this last version deserves a very close attention as it stands out from its 5140 predecessors and maybe announced some of the brand’s styling evolution that came afterwards. This ultimate version was the…