Jaeger Lecoultre 449 450 452 463 468 469 470 478 479 488 click spring / part 434

Jaeger Lecoultre 469 (base 449) click spring , part 434

New old stock / Neuf de stock

Ressort de cliquet

Same part for all JLC following calibers : 449 450 452 463 468 469 470 478 479 488