If your wrist is wrist under 14 cm (about 5.5 in), go with XS strap. Watch band size follows your wrist circumference. Many brands offer S/M and M/L straps that each cover a wrist range.
| Your wrist | Recommended size |
|---|---|
| wrist under 14 cm (about 5.5 in) | XS strap |
| wrist 14 to 16 cm (about 5.5 to 6.3 in) | S/M strap |
| wrist 16 to 18 cm (about 6.3 to 7.1 in) | M strap |
| wrist 18 to 20 cm (about 7.1 to 7.9 in) | M/L strap |
| wrist 20 cm and up (about 7.9 in and up) | L strap |
| Metal link bracelet | Buy to fit, then remove links to your wrist size. |
| Between two strap ranges | Pick the smaller; most straps have several holes. |
| Wear over a sleeve | Size up one range. |