The Patek Philippe Grand Complications Alarm Travel Time Reference 5520 comes in a new two-tone version with a rose gold case featuring four white gold pusher tubes and a sunburst gray dial.

This Grand Complication equipped with self-winding AL 30-660 S C FUS caliber protected by four patents combines the exclusive Travel Time dual-time display (with date indexed to local time) with a 24-hour alarm mechanism featuring a hammer striking a classic gong.

The two Travel Time pushers and the 2 o'clock pusher used to activate/deactivate the alarm are fitted with a patented safety locking mechanism.