LONGINES ULTRA‑CHRON CARBON R30029942 The watch is presented on

The watch is presented on a black rubber strap and is driven by the OMEGA Master Chronometer Calibre 9900

the round dial is nestled in a 46 mm case

The 316L stainless steel bracelet is easy to replace

This emblematic line comprises an array of meticulously crafted models

the casing has undergone a subtle transformation

LONGINES ULTRA‑CHRON CARBON R30029942 The watch is presented onDescription ULTRACHRON 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