Casio announces two new special edition versions of its quad-sensor Mudmaster GG-B100 watch - HardwareZone.com.sg
GWM Store - Introducing G-Shock Mudmaster "Black Out" GG-B100-1B Along with the Rangeman GW-9400J-1BJF, the G-Shock GG-B100-1BJF Mudmaster is another Black Out edition for January 2020 in Japan. Part of the GG-B100
The Casio G-Shock Mudmaster Limited Edition - Gearlimits
CASIO G-SHOCK Master of G MUDMASTER GG-1000-1A3JF Mens Japan Import : Clothing, Shoes & Jewelry - Amazon.com
G-SHOCK MUDMASTER GG-B100BA-1ACR - Paradox
G-SHOCK GG-B100 Mudmaster Specifications and New Releases