JLC 859

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JLC 859 is a chronograph movement from Jaeger-LeCoultre.

Introduced in the Reverso Gran'Sport Chronograph in 2002, the calibre 859 features a back-to-back design as in the Reverso Duoface. But in this case, the reverse houses a retrograde chronograph movement, descended fro the JLC 829 found in the limited-edition Reverso Chronograph R├ętrograde.