![Jaeger LeCoultre® calibre # 480 mainspring](http://perrinwatchparts.com/cdn/shop/products/LC-480770_7c36486d-3462-4a6d-8ccc-7c3c76a80d9e_600x600.png?v=1697238976)
Jaeger LeCoultre® mainspring, part # 770, calibre # 480
mainspring to fit Jaeger LeCoultre® calibres: 10ROL, 480, 800, 810, K830, K831
* 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.