PATEK PHILIPPE CALATRAVA PILOT TRAVEL TIME REF. 5234R-001 This watchmaker’s tradition of aviator watches takes on a new form with the Calatrava Pilot Travel Time, reference 7234R-001. The watch captivates with its dual time-zone mechanism to indicate times locally and at home, the product of the 324 S C FUS caliber. What’s more, the automatic movement features two apertures to present a day/night indication for the local and home times. The brown dial features striking gold numerals and distinctive hands with a luminescent coating, offering the beholder the finest of vintage design. The Calatrava case has a diameter of 37.5 millimeters.