Jaeger LeCoultre® setting lever spring, part # 445, calibre # 404
setting lever spring to fit Jaeger LeCoultre® calibres: 9UO, 404, 407
* 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.