Ultra-chron Classic Collection_Commander the dial's "copper" hue sets

the dial's "copper" hue sets a stage of warm elegance

both aesthetically and technically

V13375101C1X1

AB3113171L1A1

Reference Number: R27073752

Ultra-chron Classic Collection_Commander the dial's "copper" hue setsIn 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