Casio · Mudmaster

Strap for G-Shock Mudmaster Triple Sensor Black / Yellow

Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.

Integrated bracelet

The Casio Mudmaster GWG-1000-1A9 is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.

Case diameter56 mm
ReferenceGWG-1000-1A9
FamilyMudmaster
MovementCasio caliber 5463 world time, hours, minutes, seconds | perpetual calendar, date, day, month | Chronograph, countdown | alarm | Atomic Sync, solar charging, Altitude Indicator, thermometer, compass
Year2015
CaseResin, Stainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Mudmaster GWG-1000-1A9, seen from the bench

The G-Shock Mudmaster GWG-1000 Triple Sensor Black/Yellow is a 56mm technical instrument built in reinforced resin and steel for extreme conditions. This tool watch features a complex architecture designed to withstand mud, impacts, and harsh environments. The model incorporates a non-standard integrated bracelet attachment system requiring bespoke strap solutions tailored to its unique geometry.

Frequently asked questions

Can you fit a standard strap on the Casio Mudmaster GWG-1000-1A9?

No, the bracelet is integrated into the case and doesn't have standard lugs. A regular strap simply won't fit. What I do in the atelier is create a bespoke strap, designed directly onto your case geometry.

How does a bespoke strap work for the Mudmaster?

We work by appointment only at <a href="/pages/casati-booking">Casati Milano</a>. I take measurements directly from your case, study the proprietary attachment and create a precision interface that sits perfectly with the watch, no forcing.

Which leather do you recommend for the Mudmaster?

I prefer Tuscan Vegetable-Tanned Leather for those wanting elegance under pressure: it ages beautifully, resists moisture and mud. For pure sportiness, I choose reinforced NATO Premium — tough, quick-drying, built for the extreme environments this watch was made for.

How long does a well-made strap last?

With conscious use and care, between 5 and 8 years. Vegetable-tanned leather improves over time, developing a patina that tells the story of your wear. The key is cleaning it after mud or saltwater exposure and letting it air dry naturally.

Is the Mudmaster GWG-1000 really built to handle mud and impacts?

Absolutely. I've seen these watches survive drops, submersions and conditions that would wreck any other timepiece. The reinforced resin and steel structure isn't just brutal aesthetics—it's engineering designed to last in genuinely hostile environments.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only