It was the world’s first high-frequency diver watch (edging out the Zenith El Primero), brought back to life by Longines in 2022 and updated for 2025 to feature a carbon fiber case. In the late ...

The Ultra-Chron story began in 1966 when Longines introduced the world's first mass-produced high-frequency precision watch. This groundbreaking timepiece, known as the Ultra-Chron ref.

But perhaps the enduring strength of Longines, and the quality that makes it something on an outlier among its Swiss watch industry peers, is its balanced appeal to both men and women. According ...