Patek Philippe 5270 Perpetual Calendar Replica Watches
Patek Philippe Replica Watches UK were the very first manufacture to patent the QP, Quantième Pepétuel (Perpetual Calendar) on a wrist watch in 1925. A few years later, the brand added a chronograph to this first complication. It was the reference 1518, in 1941. So far, blue dials were rare…