Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry
B-640 - module 3294 tutorial on how to setup and use all the functions - YouTube
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
Vintage Casio Watch Rose Gold 3294, Women's Fashion, Watches & Accessories, Watches on Carousell