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
How To Adjust Casio Gshock GWG-1000-1A9 Manual Setting GWG1000 MUDMASTER English Subtitle - YouTube
GWG-2000-1A1 | CASIO MALAYSIA
G-Shock GWG-1000 User Manual / Casio Module 5463
GWG-2000 & GWG-1000 - 5678 & 5463 Module Tutorial - how to set up and use all the functions PART I - YouTube
Proof the G-Shock Mudmaster GWG-1000 is Insanely Strong - YouTube
Manual de usuario Casio G-shock GPW-1000-1AER (11 páginas)