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Longines Ultra-Chron, Ref. L2.836.4.52.6, black dial, steel case
Longines

Ultra-Chron

Ref. L2.836.4.52.6
2022–present · 43mm · caliber An exclusive Longines calibre -- self-winding, 36,000 vph, 52h PR; silicon balance spring, COSC-certified chronometer
Mass-producedOfficial press photos

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Movement tier: unclassified · caliber An exclusive Longines calibre -- self-winding, 36,000 vph, 52h PR; silicon balance spring, COSC-certified chronometer
Large case: suits wrists 7 in+ (18 cm+)
43 mm case. A bold, statement-size wear. Best suited to larger wrists where the case sits flush.

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