20mm Super Oyster Watch Band for SEIKO Sumo SBDC001 SBDC003 SBDC031 SBDC033, Sub-Clasp Shipping Estimate: 7 - 10 Business Days within US. Material: 316L Stainless Steel, all solid links include end links Metal Finish: Brushed This item includes one pair of FAT spring bar Design to fit : SEIKO Sumo SBDC001, SBDC003, SBDC005, SBDC031 & SBDC033