Jaeger LeCoultre® day jumper, part # 2577, calibre # 494
day jumper to fit Jaeger LeCoultre® calibres: 451, 464, 484, 494
* 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.