Ultra-chron Classic Price_CHF 5'000 - CHF 10'000 Strap/Bracelet reference: T600044978

Strap/Bracelet reference: T600044978

As versatile as it is elegant

The Big Pilot’s Watch Perpetual Calendar in stainless steel with a racing green dial continues the long-standing tradition of perpetual calendar watches in the Big Pilot’s collection

Lug-to-lug: 37

Part of an unique collaboration

Ultra-chron Classic Price_CHF 5'000 - CHF 10'000 Strap/Bracelet reference: T600044978In 1968, Longines launched the Ultra Chron Diver, the first dive watch equipped with a high frequency movement. At the time, Longines had already established itself as a pioneer in high frequency technology. As early as 1910, the winged hourglass brand created the first high frequency timekeeping device capable of measuring 1 10th of a second. In 1959, Longines developed the first high beat movement for a wristwatch, an observatory chronometer that