![Jaeger LeCoultre® calibre # 217 mainspring](http://perrinwatchparts.com/cdn/shop/products/LC-211770_7d19512d-67f2-4649-9e59-82a6355c564c_600x600.png?v=1697231762)
Jaeger LeCoultre® mainspring, part # 770, calibre # 217
mainspring to fit Jaeger LeCoultre® calibres: 19RLEC, 211, 217, 218, 220
* 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.