![Jaeger LeCoultre® calibre # 490 special regulator for flat hairspring](http://perrinwatchparts.com/cdn/shop/products/LC-490309_2cca00ed-9895-4598-911a-a4065f24b3da_600x600.png?v=1697240857)
Jaeger LeCoultre® calibre # 490 special regulator for flat hairspring
$50.00
SKU LC-490309
Jaeger LeCoultre® special regulator for flat hairspring, part # 309, calibre # 490
special regulator for flat hairspring to fit Jaeger LeCoultre® calibres: 9OLN, 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.