User manual Casio G-Shock GWG-1000-1A3ER (English - 15 pages)
GG-B100 - module 5594 - part 1 tutorial on how to setup and use ALL the regular functions - YouTube
Unbelievable! £32 Casio G-Shock Mudmaster WR20BAR from the Gate - everything works like the original, including the 'hidden' manual hands adjust setting mechanism from the original. Amazing. : r/ChinaTime
Casio G-shock Analog / Digital Wrist Watch - GA-2000S-1A w/ box tags & manual for sale online | eBay
Casio G-shock Master of G - Land - Mudmaster Men`s Watch Black - GGB100-1A - Casio watch - 079767242640 | Fash Brands
Setting Casio G-Shock MUDMASTER GG-1000-1A manual for use - YouTube