GA-B2100 Strap Size — Adapter Required, Check the Listing

The GA-B2100 keeps the CasiOak resin mount of the GA-2100 — no standard lug width, adapter required. B-series adapters must clear the solar charging layout, so buy adapters that state GA-B2100 compatibility on the listing.

Measurement Value
Lug width Proprietary mount — no standard width
Adapter needed Yes — adapter per listing (B-series layout)
Resulting width 22mm (per adapter listing)
Watch out GA-2100 adapters do not always clear the B2100 case — check the compatibility line

What fits

Related guides

FAQ

What size strap fits the GA-B2100?

The mount is proprietary like the GA-2100 — fit a compatible adapter first; most convert to 22mm.

Do GA-2100 adapters work on the GA-B2100?

Sometimes not — B-series cases need adapters that list GA-B2100 compatibility explicitly.

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