21mm Watch Straps — Which Watches Take Them
A 21mm strap matches any watch with a 21mm lug width. Below are popular 21mm watches; open a watch to check its spring bars, end shape and thickness before you buy.
21mm is an awkward in-between size used on some modern dress and sports watches. Fewer strap ranges make it, so check listings carefully. A 20mm strap fits with a small gap, but never force a 22mm. See our guide to odd lug widths.
10 watches in our index take a 21mm strap, from Longines, Omega, Orient, Rolex, Tissot. 6 look best with curved or fitted-end straps, though straight ends still fit.
Buying tips: spring bars for these watches are 21mm long. Tapered leather listed as 21/19mm fits, because only the lug end has to match. For length, see the strap length guide and wrist calculator.