They are made for a Rolex Submariner with a sapphire crystal for 16800, 16808, 16818, 16610, 16613 and others. BEZEL + INSERT FOR ROLEX SUBMARINER SEA DWELLER 16600, 16660 INSTALLED BLUE. ROTATING BEZEL RING INSERT FOR ROLEX NO DATE SUBMARINER 14060 WATCH S/STEEL.