![Jaeger LeCoultre® calibre # K813 mainspring with brake spring](http://perrinwatchparts.com/cdn/shop/products/LC-812771_bca40ebd-02d7-40d3-97c2-a7b8b46400e1_600x600.png?v=1697243758)
Jaeger LeCoultre® calibre # K813 mainspring with brake spring
$42.19
SKU LC-812771
Jaeger LeCoultre® mainspring with brake spring, part # 771, calibre # K813
mainspring with brake spring to fit Jaeger LeCoultre® calibres: 812, K812, P812, 813, K813, P813
* 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.