Casio Mens Digital W800 Watch - Unboxing & Review

Released decades before GPS, the Casio MAP-100 used a tiny rolling gear attached to a swing-out arm to trace routes directly on paper maps, converting rotations into distance readings. Users could set the correct map scale, and the watch automatically calculated and displayed the real-world distance in miles or kilometers through its digital screen. This clever blend of mechanical precision and digital computation made it one of the earliest wearable navigation tools, showing how innovation thri