![Jaeger LeCoultre® calibre # K831 crown wheel screw](http://perrinwatchparts.com/cdn/shop/products/LC-4805420_177a2e9e-4afa-410d-a5c6-78387a38e49e_600x600.png?v=1697246186)
Jaeger LeCoultre® crown wheel screw, part # 5420, calibre # K831
crown wheel screw to fit Jaeger LeCoultre® calibres: 10ROL, 480, 800, 810, K830, K831
* 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.