Lug width: Proprietary (varies by model)Case: 48.9mmGrey market: $47 – $71via eBay

Replacement Straps for the Casio G-Shock

Casio G-Shock — all colorways

The Casio G-Shock is the world's most popular sport watch — and aftermarket straps have been a thing since the 1990s. Most G-Shock models use proprietary lug systems, but a huge other sites ecosystem has grown around the most popular references (DW5600, DW6900, GA-2100, and more). Replacement resin bands and stainless steel conversion kits start at $4.

Buying tips

  • 01G-Shock straps are model-specific — search by your exact reference (DW5600, GA-2100, etc.).
  • 02The GA-2100 'CasiOak' has a huge aftermarket with metal conversion kits.
  • 03NATO adapters exist for most square G-Shock cases, letting you run any 18mm or 20mm NATO.
  • 04Resin replacement bands for DW5600/DW6900 are the most common and cheapest at $3–$6.

Popular strap styles for the Casio G-Shock

Resin replacement band
Stainless steel conversionNylon NATO adapter
Carbon fiber
Affordable options

Affordable straps for the Casio G-Shock

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Frequently asked questions

Can I put a different strap on my G-Shock?

Yes, but you'll need model-specific parts. Search your G-Shock reference number (e.g., 'DW5600 replacement band' or 'GA-2100 strap') on other sites. NATO adapter kits also exist for many models.

What's the best aftermarket strap for the Casio GA-2100 CasiOak?

The GA-2100 has an enormous aftermarket. Search 'GA-2100 metal case' or 'GA-2100 replacement strap' on other sites. Metal conversion kits are especially popular — $15–$30.

Are G-Shock replacement straps easy to install?

For models with standard spring bar ends, yes — you just need a spring bar tool. For proprietary screw-type attachments on models like the DW5600, a small Phillips head screwdriver is all you need.

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