Skip to content
WatchRefs
HKD
  1. Casio
  2. GR
  3. G-SHOCK
No photo yet Photos come from store listings, not the maker’s own site.

Casio

GR-B100GB-1A

In production All GR references →
Case diameter
53.8mm
Water resistance
200 m
Crystal
Mineral crystal

Casio GR-B100GB-1A: 53.8 mm case, 200 m water resistance.

Where to buy

No one is listing this watch right now.

Back-in-stock alert

One email when a store in this market has it for sale. If it sells out again, we keep watching — and every email carries an unsubscribe link.

Specifications

Specifications from Casio, last seen 2026-09-21.

Movement

Movement
Solar

Case & crystal

Case material
Resin/Stainless steel
Case diameter
53.8mm
Case thickness
17.3mm
Lug to lug
62.5mm
Crystal
Mineral crystal

Resistance

Water resistance
200 m

Catalogue

List price
≈ HKD 2,561
CNY 2,190
Family
GR
Something wrong on this page? Tell us
What’s wrong
No email needed. We read every report and fix what’s wrong.

Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
GR-B100GB-1A — — Resin strap — 87g

More Casio GR references