![Jaeger LeCoultre® calibre # K490 pallet cock screw](http://perrinwatchparts.com/cdn/shop/products/LC-4905125_6028619e-45c2-4c1c-be6e-8cc40439509e_600x600.png?v=1697241061)
Jaeger LeCoultre® pallet cock screw, part # 5125, calibre # K490
pallet cock screw to fit Jaeger LeCoultre® calibres: 9OLN, 490, K490, 491
* 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.