Rolex® calibre 760 top dial screw
Genuine, Rolex ® part # 3561 / 3861 regulator - breguet hairspring fits Rolex® 600, Rolex®620, Rolex®630, Rolex®635, Rolex®640, Rolex®645, Rolex®700, Rolex®710, 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.