![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 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](https://preview.redd.it/just-bought-my-first-g-shock-gm-2100mf-love-the-way-it-v0-vk36oml6nbm91.jpg?width=3024&format=pjpg&auto=webp&s=346548d91f3df8a7a036997c6035e7fd22982ce8)
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
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CASIO G-SHOCK GA-2000S-1A (5590) ANALOGUE & DIGITAL DISPLAY WATCH Pre Owned. – Lapmeeting – Learning and Plasticity – LaP2023
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Casio | Accessories | Casio Gshock Module No 559 Mens Watch From 209 With Instruction Manual | Poshmark
![GA-2000 Carbon Core Guard G-Shock tutorial - how to setup & use ALL the functions on the 5590 module - YouTube GA-2000 Carbon Core Guard G-Shock tutorial - how to setup & use ALL the functions on the 5590 module - YouTube](https://i.ytimg.com/vi/VWOJPg4uxzU/maxresdefault.jpg)
GA-2000 Carbon Core Guard G-Shock tutorial - how to setup & use ALL the functions on the 5590 module - YouTube
Manual For Casio G-Shock GA-2000E-4DR Analog-Digital With Carbon Core Guard - Module 5590 | PDF | Timer | Daylight Saving Time
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