![Jaeger LeCoultre® calibre # 9UO spring yoke](http://perrinwatchparts.com/cdn/shop/products/LC-4044351_600x600.png?v=1697227805)
Jaeger LeCoultre® spring yoke, part # 435/1, calibre # 9UO
spring yoke 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.