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Lug width is the key number when buying a strap.
Last updated: November 1, 2026.
Measure lugs
Measure the gap between the lugs in millimeters.
Pick material
See best watch straps.
Tools
A spring bar tool helps. See repair kits.
Frequently Asked Questions
Which sizes are common?
18, 20, 22 and 24mm.
Do straps fit all watches?
No, match lug width.
Quick release?
Makes swaps easy.
Bottom Line
Measure lug width, pick material, then buy.
