Rolex® calibre 59 upper cap jewel with end-piece for balance
Genuine, Rolex® 59 part 311, upper cap jewel with end-piece for balance
* 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.