Jaeger LeCoultre® yoke spring, part # 440, calibre # K490
yoke spring to fit Jaeger LeCoultre® calibres: 9OL, 9OLN, 460, 490, K490, 491
* 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.