✦ Strap Size : 21mm. ✦ Buckle : Stainless Steel Silver Buckle. ✦ Strap C olor : Black - Red Stitching. 18mm,19mm,20mm,21mm,22mm,23mm,24mm Genuine Leather Alligator Embossed Watch Strap. ✦ 100% Fit Similar Leather Strap.