![Rolex® calibre 1166 winding pinion](http://perrinwatchparts.com/cdn/shop/files/no_image_available_f936419b-8d8f-4bb8-839d-19b49e68f9d8_800x800.png?v=1704924767)
Rolex® calibre 1166 winding pinion
Genuine, Rolex ® part # 6637 winding pinion fits Rolex® 1100, Rolex® 1120, Rolex® 1130, Rolex® 1135 (CD1), Rolex® 1160, Rolex® 1161, Rolex® 1165, Rolex® 1166
* 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.