![Rolex® calibre 200 regulator - for flat hairspring](http://perrinwatchparts.com/cdn/shop/files/no_image_available_e1d72540-1d24-42ec-a4eb-0e55c11a5318_800x800.png?v=1704918321)
Rolex® calibre 200 regulator - for flat hairspring
Genuine, Rolex ® part # 2257 regulator - for flat hairspring fits Rolex® 200, 210
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Rolex®. Rolex® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.