21mm SOLID 316L Stainless Steel Super Oyster Straight End Watch Band, PVD Black Shipping Estimate: 7 - 10 Business Days within US. Buckle Type : 316L Stainless Steel Double FlipLock Diver's Clasp with Push Button Overall Length : 175mm - 110mm Material : Solid 316L Stainless Steel Design to fit : All watches with 21mm lug width