![Jaeger LeCoultre® calibre # 840 fourth wheel and pinion](http://perrinwatchparts.com/cdn/shop/products/LC-840220_600x600.png?v=1697246649)
Jaeger LeCoultre® fourth wheel and pinion, part # 220, calibre # 840
fourth wheel and pinion to fit Jaeger LeCoultre® calibres: 840
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Jaeger LeCoultre®. Jaeger LeCoultre® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.