21mm watch lug width? No problem. Shop our extensive selection of 21mm straps for men and women in a wide range of colors and styles from Artem, ColaReb, Erika's Originals, Fluco, Forstner, Hadley-Roma, Hirsch, Molequin and RIOS1931. Short lengths are available for those with smaller wrists, as well as convenient quick-release spring bars for easy strap changes.