Rolex® calibre 100 lower balance hole jewel (0.07 / 1.10)
Genuine, Rolex ® part # 1046 lower balance hole jewel (0.07 / 1.10)
* 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.