![Jaeger LeCoultre® calibre # 428 yoke spring](http://perrinwatchparts.com/cdn/shop/products/LC-408440_e0154ee3-48c0-4df8-a5ab-03432af96afe_600x600.png?v=1697235062)
Jaeger LeCoultre® yoke spring, part # 440, calibre # 428
yoke spring to fit Jaeger LeCoultre® calibres: 9RD, 9RO, 10RO, 408, 417, 428, 461, 471, 472, 473, 474, 475
* 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.