![Jaeger LeCoultre® calibre # 9RO yoke spring](http://perrinwatchparts.com/cdn/shop/products/LC-408440_b3ac1391-c0bc-4391-8fb1-89fbe6f11301_600x600.png?v=1697227625)
Jaeger LeCoultre® yoke spring, part # 440, calibre # 9RO
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.