Fit & sizing

Watch Compatibility Hub

Choose the guide for your next step: measure for a replacement strap, find width options, or review NH34 and NH35 movement fit.

Strap size calculator

Use your lug width and wrist size to get a length guide and browse straps in the right width.

Learn where to measure lug width and wrist circumference before choosing a replacement strap.

Review dial, hand and case considerations for these movements.

Integrated bracelets, curved strap ends and model-specific attachments need a fit check beyond width alone.