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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.

The British Army x G-Shock Mudmaster GG-B100BA-1A is expected to be released in March 2020.


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.

Casio America has the GGB100BA-1A listed with a list price of US$460 and announced an April 2020 release.

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

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:

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  1. Ronald F.D. Beintema February 11, 2020
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