![Jaeger LeCoultre® calibre # 9OL mainspring](http://perrinwatchparts.com/cdn/shop/products/LC-460770_600x600.png?v=1697227066)
Jaeger LeCoultre® mainspring, part # 770, calibre # 9OL
mainspring 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.