Find the Right Watch Strap Size

Choosing the correct watch strap starts with getting the right fit. If your watch is included in our Strap Finder, you can search by brand and model to find its strap width and compatible options. You can also determine fit manually using width, length and taper.

Know Your Watch? Start with Strap Finder

Select your watch brand and model to find the correct strap width and compatible watch straps or bracelets.

Open Strap Finder

Strap Width

Diagram showing watch lug width measured between the lugs

Strap width must match your watch’s lug width exactly. If the width is wrong, the strap will not fit.

  • Measured between the lugs
  • 20mm and 22mm are common, but many watches use other widths.
Find My Strap Width

Strap Length

Diagram showing long and short sides of a two-piece watch strap

Strap length affects comfort, buckle position and how much strap tail remains after fastening.

Find My Strap Length

Strap Taper

Diagram showing watch strap taper from lug width to buckle width

Taper is the change in width from the lugs to the buckle. It affects appearance and determines the buckle-end width of the strap.

  • Written as lug width / buckle width
  • More taper creates a slimmer appearance
  • Less taper creates a more substantial appearance
  • Reusing a buckle or deployant clasp? Confirm its width before ordering.
Understanding Strap Taper

Using a standard strap with an Apple Watch? See our Apple Watch Strap Adapter & Sizing Guide.

Where to Start

If you know your watch brand and model, start with Strap Finder. If your watch isn't listed, start with width. Once you've confirmed the correct width, choose the appropriate length for your wrist. Then check taper, especially if you plan to reuse an existing buckle or deployant clasp.

If you already know which measurement you need, jump directly to the relevant guide above.

What About Watch Compatibility?

Lug width tells you whether a standard strap is the correct width, but some watches and bracelets have additional fit requirements. Curved cases, fixed lugs, oversized spring bars and watch-specific bracelet end links may require extra attention.

For those questions, see our Watch Strap & Bracelet Compatibility Guide.

Brand-specific sizing guides

Some brands use slightly different length conventions or construction details. If you're shopping a specific brand, these guides cover the differences.