20mm Super Oyster Watch Bracelet for SEIKO Mid-size Diver SKX023, Diver Clasp, Brushed Shipping Estimate : 7 - 10 Business Days within US. Material: 316L Stainless Steel, Solid Buckle Type: Double FlipLock Diver Clasp with Push Button Generic Dia. 1.78mm spring bars included Design to fit: SEIKO Mid Size Diver SKX023