(Affiliate Notice: G-Central may earn a commission on sales from our links to Amazon, eBay, and Reeds.)

British Army x G-Shock GG-B100BA-1A Mudmaster

British Army x G-Shock GG-B100BA-1A Mudmaster

The G-Shock Mudmaster GG-B100BA-1A is the first of three special edition watches coming in 2020 in collaboration with Britain’s Ministry of Defence and Her Majesty’s Armed Forces. The land-oriented Mudmaster represents the British Army edition. (Royal Air Force and Royal Navy editions with other Master of G models are also expected.)

G-Shock GG-B100BA-1A Mudmaster

The military-themed watch has a beige band with a camouflage pattern, a black bezel, white markers, an inverted LCD display with beige-tinted digits, and a stainless steel band keeper with the British Army insignia. G-Shock released a promotional video for the watch (see below).

The GG-B100 base is the latest Mudmaster, an extra-rugged analog-digital line featuring a mud-and-dust-resistant structure. The GG-B100 utilizes the Carbon Core Guard structure and has a carbon fiber bezel and a dual case back with a resin exterior. Major features of the GG-B100BA-1A include the Quad Sensor (altimeter-barometer, thermometer, compass, step counter), Bluetooth mobile link, calorimeter (a calorie counter utilizing the altimeter and step tracking sensors), carbon fiber bezel, trackback feature with location indicator, mode menu customization, stopwatch, countdown timer (24 hour), 5 daily alarms, sunrise/sunset time, and auto double LED (Super Illuminator) lights.


G-Shock UK announced the GG-B100BA-1AER for a March 12, 2020, release at G-Shock.co.uk and the G-Shock Carnaby Store in London, with a list price of £399.00. The GG-B100BA-1AER will also be released throughout Europe.

Casio America listed the GGB100BA-1A with a retail price of US$460 and announced an April 2020 release. In Japan, the GG-B100BA-1AJR is an April 2020 release with a list price of 52,000 JPY.

British Army x G-Shock Mudmaster GG-B100BA-1A

GGB100BA-1A on Amazon GGB100BA-1A at Reeds GGB100BA-1A on eBay

G-Shock GG-B100BA-1A Mudmaster Case Back and Keeper

G-Shock GG-B100BA-1A Mudmaster Box

British Army x G-Shock Mudmaster Collaboration Video:

Please Comment Here
Disclosure: G-Central is independently managed by fans and is not an official G-Shock site. For official support, visit world.casio.com. Please follow your country's official G-Shock site and social media accounts for additional release information. G-Central may earn a commission on purchases from our links to Amazon, eBay, and Reeds Jewelers.

More Articles at G-Central


  1. Ronald F.D. Beintema
    • carpen7er
  2. Andrew KKM
    • carpen7er
    • G-Central
  3. Mark
    • Dave
    • Stinchen Poot
  4. Dave
  5. Ossie