Rolex® calibre 740 upper cap jewel with end piece for balance and escape wheel
Genuine, Rolex ® part # 3905 top dial screw fits Rolex®700, Rolex®710, Rolex®720, Rolex®730, Rolex®740, Rolex®745, 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.