Casio B-640 - Setting Time and Date - Module 3294 - YouTube
Casio B640WB User Manual / Module 3294
3D file F91W fully 3D printed case, With .STEP File! for Casio module 593・3D printing template to download・Cults
Casio B640WC User Manual / Module 3294
B-640 - module 3294 tutorial on how to setup and use all the functions - YouTube
Casio Illuminator Rose Gold Tone Digital 35mm Men's Watch 3294-B640W | eBay
TimeBox Original Watches PH - ☝️This is 1000% ORIGINAL LEGIT CASIO with particular Unit Model Number in Watch Tag 3294. This number should match with the Module number in the Manual too