G-Shock GA-2100 / 5611 / Octagon Form in a Slim 11.8mm Case
Just bought my first g-shock (GM-2100MF). Love the way it looks but concerned it's a fake. The internal module number (during testing mode) shows up as 5590 instead of 5611. Anybody else
GA-2100 G-SHOCK - 5611 MODULE - SET THE TIME QUICKLY - YouTube
GA-2100 G-Shock - 5611 module - DETAILED tutorial on how to set up and use ALL the functions GA2100 - YouTube