The ring watch’s screen even has a light, and an alarm function that will flash the display instead of playing an audible sound. It’s powered by a single battery that Casio says will keep the ...

A classic Casio watch ... you get on this watch? Well, quite aside from the obvious one – you know, the calculator – you'll find dual time, a 1/100th-second stopwatch, an alarm function ...

It’s been 41 years since Casio debuted the very first G-Shock digital watch, and its latest timepiece ... a multi-functional alarm, and a calendar display. A more detailed side-to-side ...