![Jaeger LeCoultre® calibre # 840 crown wheel](http://perrinwatchparts.com/cdn/shop/products/LC-840420_600x600.png?v=1697246693)
Jaeger LeCoultre® crown wheel, part # 420, calibre # 840
crown wheel 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.