Launched at BaselWorld 2015, the reference 5524 Patek Philippe Calatrava Pilot Travel Time 5524 matches a pilot/ military style to the complicated caliber CH 28-520 C FUS movement, as also found in the Patek Philippe Aquanaut ref. 5164A-001. The case measures 42mm across. It is water resistant up to 30 meters.The release of the Calatrava Pilot Travel Time 5524 notably introduced a new sports watch into the Patek Philippe collection.
