Finding a well-made 21mm watch strap can take a little more searching than other lug widths. We've brought together leather, textile and military G10-style straps from trusted makers including Hirsch, Fluco and Erika's Originals, giving you quality options designed specifically for this less common size.
Not sure what fits your watch?
Use our Strap Finder
to find the correct width and compatible straps by watch brand and model.