Rolex® calibre 700 upper cap screw
Genuine, Rolex ® part # 5704 fourth wheel fits Rolex® 630, Rolex® 645
* 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.