Olle Watch One DIY Kit Turns You Old-School Casio Watch into a Modern Sports Watch
Even to this day, plenty of people wear Casio’s classic F-91W, which continues to be one of the most sold watches in the world. It’s no surprise, considering its utilitarian design, classic looks, and incredibly affordable price. If you ever wished your F-91W came with a few other bells and whistles, though, you might be…