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G-Shock’s Ultra-Rugged Mudmaster Gets a Beautiful Gold-Toned Makeover

This horizon-inspired variant is one of the most stunning takes on the outdoor adventure watch.

Close-up of a Casio Mudmaster watch face with gold-tone numerals, black dial, and digital display showing "SU 6.30".
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Ethan Brehm

By Ethan Brehm

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In 2015, G-Shock expanded its Master of G line with an “extreme land” model, the Mudmaster. It wasn’t just shock-resistant and durable but was engineered to keep fine dirt, sand and mud from getting inside the watch. 

Since then, the Mudmaster has evolved considerably, becoming the watchmaker’s flagship. The GG-B1000 became the first to introduce Carbon Core Guard construction and Bluetooth connectivity. And it even added step tracking, a fourth sensor to go along with the altimeter/barometer, compass and thermometer. 

Needless to say, the Mudmaster is arguably G-Shock’s most rugged option. However, with its latest version, you’d never guess it.

Brown and gold Casio G-Shock Mudmaster watch with analog-digital display and textured strap.
G-Shock takes its ultra-rugged Mudmaster and gives it a stunning gold ion-plated bezel inspired by the horizon.
G-Shock

Into the sunset

Launched as part of its Master of Horizon Gold series, this new Mudmaster variant (GG-B100XMH-5A) features a beautiful stainless steel bezel finished in a yellow-gold ion plating. According to the brand, it’s “inspired by the golden horizon where earth meets sky.”

Locked down with a brown cage, the bezel foregrounds a black carbon case and a dark brown resin strap. Other components, such as the metal pins in the bezel receive brown ion plating. 

Close-up of a Casio G-Shock Mudmaster watch face with beige and black analog-digital display and brown protective casing.
The watch still gives you the same impressive feature set, including Quad Sensor tech, Bluetooth connectivity and Mission Log.
G-Shock

The analog-digital dial is black but features matching gold on the hands, numerals and indices. It’s lit with LED for nighttime visibility at the push of a button.

Close-up of the back of a Casio watch with Carbon Core Guard technology and brown strap.
This Master of Horizon Gold variant keeps the same durability, shock-resistance and mud-resistance as usual. You also get 200m of water resistance.
G-Shock

Mr. Beast

Despite the glamorous bezel, the watch is still just as rugged as ever. It’s still water resistant to 200m and still boasts a carbon fiber-reinforced resin inner case, providing excellent rigidity and shock resistance. There’s also a mud filter and shock-resistant caseback.

The timepiece’s functions are also just as impressive, with the aforementioned Quad Sensor tech, along with Mission Log, which automatically records your altitude throughout your journey. Via the smartphone app, it can use your phone’s GPS to record and display outdoor activity data. The time is also kept accurate with smartphone connectivity.

Brown textured resin watch strap with silver buckle and black watch case with metal buttons.
Brown pairs well with the gold bezel, including the resin strap and cage.
G-Shock
Black Casio G-Shock Mudmaster watch with illuminated white hour markers and hands, digital display, and rugged buttons.
For nighttime visibility, the dial is lit with a white LED.
G-Shock

This Mudmaster is still the same beast you know and love, spanning 51.3mm across the case and 19.4mm in thickness. However, the horizon-inspired bezel arguably gives you something better to look at.

Three brown and black Casio G-Shock watches with analog and digital displays on a reflective surface with a gradient background.
Along with the Mudmaster (center), the Master of Horizon Gold collection also features the Gravitymaster (left) and GW-9500 Mudman (right).
G-Shock

Aside from the Mudmaster, the Master of Horizon Gold collection also includes the Mudman GW-9500MH-5 and Gravitymaster GR-B300H-5A.

Availability and pricing

Already popping up on G-Shock’s international site, the Mudmaster GG-B100XMH-5A is priced at ¥60,500 (~$384). This will likely be closer to the $420 price tag of most current GG-B1000 models in the brand’s catalog.

No word yet on if or when this will become available in the US.

Brown Casio G-Shock Mudmaster watch with gold-tone bezel and analog-digital display.G-Shock

G-Shock Mudmaster Master of Horizon Gold GG-B100XMH-5A

About the Author: Ethan Brehm is an associate editor at Gear Patrol writing about footwear, watches, spirits, EDC and more. When he’s not shopping for his next G-Shock, he spends his time watching movies and planning a future road trip with his family. He firmly believes CDs sound better than vinyl.

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