تعقيدات ميكانيكية

Patek Philippe's philosophy of travel hours

The 1950s witnessed a true boom in aviation and transoceanic travel. With this expansion came a pressing need for a new generation of watches designed for travelers, watches that would allow the wearer to see the time in two different time zones at a glance. While most watchmakers opted for the traditional GMT system—which relies on an additional hand that completes a full rotation every 24 hours…