Cheap 18mm Watch Straps

18mm is the lug width for smaller dress watches and compact sport watches — Grand Seiko 37mm, Omega De Ville, Cartier Santos medium, and many vintage references. It's also the standard for women's watch straps. AliExpress has a solid selection of leather, NATO, and mesh options for 18mm watches starting at $4.

Watches that use 18mm straps

Grand Seiko SBGW series
Omega De Ville
Cartier Santos (medium)
Hamilton Intra-Matic
Nomos Club 36
Longines Flagship Heritage
Vintage Rolex Oyster Perpetual

Popular strap styles at 18mm

Leather quick release
NATO nylon
Milanese mesh
Perlon

Buying tips

  • 0118mm is less common than 20mm and 22mm — check the AliExpress page for available widths before buying.
  • 02Dress watches at 18mm look best with leather — tan, brown, or black with matching stitching.
  • 03Milanese mesh at 18mm suits vintage-style dress watches especially well.
  • 04For smaller watches, a strap that tapers from 18mm to 16mm looks more proportionate than a flat strap.
Affordable options on AliExpress

16 cheap 18mm watch straps

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Frequently asked questions

What watches use 18mm straps?

Grand Seiko dress models, Omega De Ville, Cartier Santos medium, Nomos Club 36, Hamilton Intra-Matic, and many vintage watches and women's watches. 18mm is the standard for dress and compact watches.

Are 18mm straps harder to find?

Slightly harder to find than 20mm or 22mm, but AliExpress still has a good selection. Leather and NATO straps are easiest to find; rubber dive straps have fewer 18mm options.

What's the best cheap 18mm watch strap?

A leather quick-release strap in tan or dark brown is the most versatile option for an 18mm watch. Search 'leather watch strap 18mm quick release' on AliExpress. Budget $8–$15.

Other strap sizes