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 G-Shock 5611 Audemars piguet style for $441 for sale from a Private Seller on Chrono24
G-Shock GA-2100 / 5611 / Octagon Form in a Slim 11.8mm Case