Rolex® calibre 645 escape wheel - conical pivots
Genuine, Rolex ® part # 5658 locking screw fits Rolex® 635, Rolex® 640, 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.