![Jaeger LeCoultre® calibre # 11LCN mainspring](http://perrinwatchparts.com/cdn/shop/products/LC-424770_4304439a-9592-4b10-827a-7846802dd7be_600x600.png?v=1697228862)
Jaeger LeCoultre® mainspring, part # 770, calibre # 11LCN
mainspring to fit Jaeger LeCoultre® calibres: 11L, 11LC, 11LCN, 11LO, 11LSC, 424, 436, 437, 438, 486, 806
* 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.