![Jaeger LeCoultre® calibre # K490 upper end-piece screw](http://perrinwatchparts.com/cdn/shop/products/LC-4605311_925d8043-23b2-4491-abf8-66574609d760_600x600.png?v=1697241063)
Jaeger LeCoultre® upper end-piece screw, part # 5311, calibre # K490
upper end-piece screw to fit Jaeger LeCoultre® calibres: 9OL, 9OLN, 460, 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.