Solid SUB Diver's Clasp on heavy duty Super-O Boyer solid 316L stainless steel watch bracelet design for 20mm lug diver or sport watch case. Considering the comfort and sustainability, it bends smoothly following your wrist. Well-made solid 316L stainless steel links are assembled with screw instead of flimsy pins to keep its solidity and stability. Tapered 20mm lug into 18mm buckle size. Another awesome aftermarket stainless steel watch bracelet for luxury watches.