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Bangkok Post
Bangkok Post
Lifestyle

Want extra? Go Ultra

The original Ultra-Chron Diver from 1968, left, and the new Ultra-Chron equipped with a high-frequency movement.

After having pioneered a high-frequency movement in the early 20th century, Longines applied the expertise to enhance the precision of a wristwatch, introduced in 1959.

The Ultra-Chron and its sister dive watch followed in the 1960s, as milestones in high-beat timepieces.

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