Jaeger LeCoultre® crown wheel core, part # 423, calibre # P812
crown wheel core 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.