![Jaeger LeCoultre® calibre # 404 crown wheel](http://perrinwatchparts.com/cdn/shop/products/LC-404420_2086f5c9-6583-4ede-9b48-4bf8f985de3c_600x600.png?v=1697233623)
Jaeger LeCoultre® crown wheel, part # 420, calibre # 404
crown wheel to fit Jaeger LeCoultre® calibres: 9UO, 404, 407
* 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.