Casio G-Shock Mudmaster 51.3mm quartz watch, black dial
GG-B100X-1AER
£349
Price at Goldsmiths, checked 28 October 2026. Prices can change: Goldsmiths' page has the final word.
This version: 51.3mm, carbon case. Goldsmiths has 3 versions of the G-Shock Mudmaster in stock: compare them.
51.3mmQuartz200 m water resistantCarbonMen's
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Specifications
| Brand | Casio |
|---|---|
| Model | G-Shock Mudmaster |
| Reference | GG-B100X-1AER |
| Gender | Men's |
| Style | — |
| Case size | 51.3mm |
|---|---|
| Lug to lug | — |
| Case material | Carbon |
| Bezel | — |
| Dial colour | Black |
| Strap | Resin |
Will 51.3mm suit your wrist? Check your size
| Movement | Quartz |
|---|---|
| Calibre | Quartz (battery, about 2 years) |
| Power reserve | — |
| Water resistance | 200 m |
| Crystal | — |
| Thickness | 19.4mm |
| Date | — |
| Guarantee | Casio 2 Years Guarantee |
A dash means neither Goldsmiths nor Casio states it on the pages we read, so it's left blank rather than guessed.
Description
Delivery & returns
Other versions of the Casio G-Shock Mudmaster
The same watch in 3 versions at Goldsmiths: here's what changes. Prices are Goldsmiths' own, checked daily.
| Reference | Size | Case | Price |
|---|---|---|---|
| GG-B100X-1AER This one | 51.3mm | Carbon | £349 |
| GG-B100XMB-1AER | 55.5mm | Stainless steel & carbon | £369 |
| GWG-B1000-1AER | 58.5mm | Resin | £699 |