Casio G-Shock gw-m5610-1 era - Abbigliamento e Accessori In vendita a Roma
G SHOCK Funzioni nascoste modulo 3159 CASIO - YouTube
G-Shock GW-M5610 / 3159 / Classici immortali con energia solare e precisione radio
G-Shock Module 3159 Watch Movement | Caliber Corner
Casio 3159 Module - GW-5000 series test screen, function explanation, watch set up - YouTube
Ordered the 5610-1 with the older 3159 module, received the 5610U-1CF with the newer 3495 module. I'm not complaining, and I only paid $90 👍 : r/gshock