![Rolex® calibre 640 pallet bridge screw](http://perrinwatchparts.com/cdn/shop/files/no_image_available_c927f990-5c0d-4d4e-93c6-381daf4e9c29_800x800.png?v=1704921737)
Rolex® calibre 640 regulator - breguet hairspring
Genuine, Rolex ® part # 3520 pallet bridge screw fits Rolex® 600, Rolex®620, Rolex®630, Rolex®635, Rolex®640, Rolex®645, Rolex®700, Rolex®710, Rolex®720, Rolex®730, Rolex®740, Rolex®745, Rolex®760, Rolex®765, Rolex®775
* 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.