ULTRA-CHRON CLASSIC 37mm
LON-L2.537.4.72.6
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In 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 set new records in terms of accuracy. The new Ultra-Chron is inspired by the aesthetic codes and professional diving features of the 1968 model. These chronometer-certified watches are powered by an exclusive Longines calibre equipped with a silicon balance-spring and resistant to magnetic fields.
| Additional Information | |
|---|---|
| Style Number | 001-535-00068 |
| Watch Style | Sport |
| Watch Metal | Stainless Steel |
| Watch Case Size | 37mm |
| Watch Dial Color | Silver |
| Watch Bezel | Plain Bezel |
| Watch Brand | Longines |
| Model Number | L2.537.4.72.6 |
| Watch Power Source | Automatic |
| Watch Crystal | Sapphire |
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