{"id":66054,"date":"2025-10-21T20:28:06","date_gmt":"2025-10-21T12:28:06","guid":{"rendered":"https:\/\/www.cortinawatch.com\/my\/watches\/l2-537-4-72-2\/"},"modified":"2026-04-13T11:49:06","modified_gmt":"2026-04-13T03:49:06","slug":"l2-537-4-72-2","status":"publish","type":"watches","link":"https:\/\/www.cortinawatch.com\/my\/zh\/longines\/ultra-chron\/l2-537-4-72-2\/","title":{"rendered":"L2.537.4.72.2"},"content":{"rendered":"

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.<\/p>\n","protected":false},"featured_media":66043,"template":"","brand":[244,691],"class_list":["post-66054","watches","type-watches","status-publish","has-post-thumbnail","hentry","brand-longines-zh","brand-ultra-chron-zh"],"acf":[],"yoast_head":"\nLongines Ultra-Chron Classic L2.537.4.72.2 | Cortina Watch MY<\/title>\n<meta name=\"description\" content=\"High-frequency 36,000 vph automatic movement, chronometer-certified. 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