Jaeger LeCoultre® date jumper spring, part # 2575, calibre # K813
date jumper spring to fit Jaeger LeCoultre® calibres: 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.