This retro gem, which I bought a few years back and has become my go-to watch ... time now as it was in the 80s. Typical of Casio, the watch also tells the date and day of the week once you set ...

Casio launches full-metal G-Shock GMCB2100D models in the U.S. for $800 with solar power, Bluetooth, and 200m water ...

That allows users to connect their watch to the Casio app on their smartphone, for automatic time adjustment and easy setting of the watch. Elsewhere you'll find a 5 setting world time function ...