G30052 G-shock Ga-2000-2adr Casio Watch 5590 for sale online | eBay
GA-2000 Carbon Core Guard G-Shock tutorial - how to setup & use ALL the functions on the 5590 module - YouTube
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
Casio GA-2000-3AER | Helveti.eu
G-SHOCK GA2000WM-1A Review - The Truth About Watches