They are made to fit the Rolex Lady watches.Case tubes are made of the highest quality 316L Swiss stainless steel. 1 WATCH CASE CROWN TUBES FOR ROLEX 6694 OYSTERDATE 6424 6444 6466 1002,6430,6547. CASE TUBES FOR ROLEX GMT MASTER I, II FIT 7MM CROWN + GASKET # 24-7030 S/STEEL.
eBay