Patek Philippe Ref. 5520P-001 Alarm Travel Time Watch
Patek Philippe introduced its first Alarm Travel Time 5520 Replica watch as the reference 5520P-001 in platinum with a matte-black dial.This “pilot-style” watch from Patek Philippe began life as the 5524 Calatrava Pilot Travel Time, and it was actually quite controversial when it came out because some Patek Philippe collectors felt the design was a