Patek Philippe 5270R-001 Perpetual Calendar Chronograph Watch Hands-On | aBlogtoWatch
Patek Philippe 5270R-001 Perpetual Calendar Chronograph Watch Hands-On - by Ariel Adams - on aBlogtoWatch.com "The most interesting thing to me about the current perception of the Patek Philippe 5270 'Grand Complication' Perpetual Calendar Chronograph is that it is considered a formal watch, while a look at its historical inspiration makes it more of a sports watch. How did this rather traditional, classic-looking sports watch design become something to wear with a suit…?”