![Jaeger LeCoultre® calibre # 9RO crown wheel](http://perrinwatchparts.com/cdn/shop/products/LC-408420_b3db8e16-1347-4339-835d-3dcba94c6f58_600x600.png?v=1697227613)
Jaeger LeCoultre® crown wheel, part # 420, calibre # 9RO
crown wheel to fit Jaeger LeCoultre® calibres: 9RD, 9RO, 10RO, 408, 417, 428, 461, 471, 472, 473, 474, 475
* 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.