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
5611 Module: Analog/Digital Features of Casio G-Shock GA-2100 Carbon Core Guard - YouTube
Casio G Shock Module No. 5611, Men's Fashion, Watches & Accessories, Watches on Carousell
New in Box - Men's G-Shock Casio 5611 Ryo Ishikaw Watch - running | eBay