Generic Mainspring to fit Jaeger LeCoultre® calibre # K814

Jaeger LeCoultre® mainspring - generic, part # 770 generic, calibre # K814

mainspring - generic to fit Jaeger LeCoultre® calibres: 489, 489/1, P489, 601 mechan, 814, K814

* 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.