Lug width: 20mm (300M), 21mm (Planet Ocean)

Watch Straps for the Omega Seamaster

The Omega Seamaster 300M is one of the best-known dive watches in the world — and its iconic rubber strap has a cult following. The 300M uses a 20mm lug width, and its integrated rubber strap look is widely replicated on AliExpress. The Planet Ocean uses 21mm. Premium alternatives from Horus Straps and Delugs run $80–$130. AliExpress rubber and mesh options start at $6.

Popular strap styles for the Omega Seamaster

Rubber dive strap
Milanese mesh
Leather
NATO

Buying tips

  • 01The Seamaster 300M's iconic look comes from the matched rubber strap — search 'rubber dive strap 20mm' for the closest match.
  • 02The Planet Ocean uses 21mm — a less common size, but AliExpress still has options.
  • 03The Seamaster's polished/brushed steel looks great with a silver or black milanese mesh bracelet.
  • 04The Bond-style Seamaster pairs especially well with dark navy or black straps.
Affordable options on AliExpress

17 cheap straps for the Omega Seamaster

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Frequently asked questions

What lug width is the Omega Seamaster 300M?

The Omega Seamaster 300M uses a 20mm lug width. The Planet Ocean uses 21mm, which is less common.

What's the best cheap rubber strap for the Omega Seamaster?

Search 'FKM rubber strap 20mm dive' on AliExpress. The Seamaster's stock strap style is widely replicated. Budget $8–$15 for a quality option.

Can the Omega Seamaster wear a milanese mesh bracelet?

Yes — the Seamaster's brushed steel pairs beautifully with milanese mesh. Search 'milanese watch band 20mm stainless steel' on AliExpress for $8–$20 options.

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