23mm MiLTAT Kevlar Black Watch Strap, Black Stitches, IWC Type Screw-in Buckle Shipping Estimate : 7 - 10 Business Days within US. Material: Synthetic fiber Color / Finish: Black, Kelvar Finish Buckle type : Brushed 316L stainless steel, IWC aftermarket Screw-in Buckle Design to fit: All watches with 23mm lug width