20mm Super Engineer 316L Solid Stainless Steel Watch Band, Submariner Clasp Shipping Estimate : 7 - 10 Business Days within US. Material : 316L Stainless Steel, all solid links include end links Finish : Brushed Clasp Type : 316L Stainless Steel Solid Submariner Diver Clasp, with Push Button Design to fit : 20mm lug width watches such as Rolex