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A diamond forms the hour markers at 12
Measuring 8
making them perfect for all-day wear whether you’re at work
making it an elegant choice for everyday wear
Longines Ultra-Chron Chronometer Men's 37mm Watch L2.537.4.72.6 Dial Colour_Beige A diamond forms the hourIn 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