Jaeger LeCoultre® calibre # 463 regulator for flat hairspring

Jaeger LeCoultre® regulator for flat hairspring, part # 301, calibre # 463

regulator for flat hairspring to fit Jaeger LeCoultre® calibres: 449, 450, 451, 452, 463, 464, 468, 469, 470, 478, 479, 484, 488, 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.