Jaeger LeCoultre® special regulator for flat hairspring, part # 309, calibre # 436
special regulator for flat hairspring to fit Jaeger LeCoultre® calibres: 11L, 11LC, 11LCN, 11LO, 11LSC, 424, 436, 437, 438, 486, 806
*Perrin Supply Ltd is independent of and not affiliated with or sponsored by Jaeger LeCoultre®. Jaeger LeCoultre® warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.
