Ref. 5520 Alarm Travel Time
Chapter 1: Discover the Ref. 5520
Begin your discovery of the Patek Philippe Ref. 5520 Alarm Travel Time, a self-winding grand complication that combines the exclusive two-zone Travel Time system with an innovative mechanical alarm feature.
This travel watch par excellence possesses a fully integrated movement as the result of a 5-year development period.
In this first TechNews section, you will discover the operating elements and displays that make this timepiece a role model of legibility, functionality, and user friendliness.