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LONGINES Ultra-Chron Box Edition L2.836.4.52.9

LONGINES Ultra-Chron Box Edition L2.836.4.52.9

The Longines Ultra-Chron takes its cues from the Ultra-Chron Diver that the Swiss brand released in 1968. This model was powered by the Calibre 431 that introduced a dry lubrication patent as a solution to the fact that being more exposed to strain, high-beating movements require more durable parts and better lubricants to deal with the added friction.
$4,072.73
LONGINES Ultra-Chron Box Edition L2.836.4.52.9ā€”
$4,072.73

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The Longines Ultra-Chron takes its cues from the Ultra-Chron Diver that the Swiss brand released in 1968. This model was powered by the Calibre 431 that introduced a dry lubrication patent as a solution to the fact that being more exposed to strain, high-beating movements require more durable parts and better lubricants to deal with the added friction.