Watch Wiki

The Best Watches and Watch Brands

User Tools

Site Tools


Table of Contents

JLC 849

The JLC 849 is an ultra-thin watch movement from Jaeger-LeCoultre.

The 849 (and similar JLC 849RSQ) is an hand-winding movement. The JLC 849 is made up of 123 pieces and is 1.85 mm thick. It runs at 21600 vph, has 19 jewels, and a power reserve of 35 hours. It is closely related to the JLC 839, introduced in 1975, differing only by the addition of one jewel (at the lower second wheel pivot) and a redesign of some of the bridges.

The JLC 849 is used in the thinnest mechanical wristwatch currently available, the 4 mm Jaeger-LeCoultre Master Ultra Thin Jubilee.

The two versions of the JLC 849 differ greatly in layout and application. The JLC 849 is used in the round Master Ultra Thin line, while the JLC 849RSQ is a tonneau-shaped movement used in the Grande Reverso Ultra Thin SQ. The 849RSQ is also skeletonized and decorated; It has 128 pieces and is slightly thicker at 2.09 mm.


jlc_849.txt · Last modified: 02.12.2022 20:38 by

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki

© Watch Wiki. All texts are protected by copyright. The respective copyright holders are the signatories of the contributions. For details see Impressum. Regarding objections and complaints (copyright and other rights) also see there. Impressum | Privacy Policy | Copyright | About Watch Wiki