![Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/81OAgVUI6oL._AC_UY1000_.jpg)
Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry
![Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/6158b6SoswL._AC_UY350_.jpg)
Amazon.com: Casio Smart Watch. B640WB-1AEF, Black/Grey, 38.9 x 35.0 x 9.4 mm, Bracelet : Casio: Clothing, Shoes & Jewelry
![BUY Casio Retro Design LED Backlight Black Digital Watch B640WB-1A, B640WB - Buy Watches Online | CASIO Red Deer Watches BUY Casio Retro Design LED Backlight Black Digital Watch B640WB-1A, B640WB - Buy Watches Online | CASIO Red Deer Watches](https://www.reddeerwatches.com/media/catalog/product/cache/f20a3dad9a18e1857a6578422466bfb5/b/6/b640wb-1adf_00_2.jpg)
BUY Casio Retro Design LED Backlight Black Digital Watch B640WB-1A, B640WB - Buy Watches Online | CASIO Red Deer Watches
![Amazon.com: Casio B640WD-1A Men's Silver Digital Retro Stainless Steel Watch : Clothing, Shoes & Jewelry Amazon.com: Casio B640WD-1A Men's Silver Digital Retro Stainless Steel Watch : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61r5SykioYL._AC_UY1000_.jpg)
Amazon.com: Casio B640WD-1A Men's Silver Digital Retro Stainless Steel Watch : Clothing, Shoes & Jewelry
![Amazon.com: Bruni Screen Protector Compatible with Casio B640WB-1AEF Protector Film, Crystal Clear Protective Film (2X) : Cell Phones & Accessories Amazon.com: Bruni Screen Protector Compatible with Casio B640WB-1AEF Protector Film, Crystal Clear Protective Film (2X) : Cell Phones & Accessories](https://m.media-amazon.com/images/I/61GVw4bkssL.jpg)