![Jaeger LeCoultre® calibre # 10RO crown wheel screw](http://perrinwatchparts.com/cdn/shop/products/LC-4085420_cc55371f-2e9e-45ca-bf71-f0e08bf512d3_600x600.png?v=1697228030)
Jaeger LeCoultre® crown wheel screw, part # 5420, calibre # 10RO
crown wheel screw 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.