Many brands are experimenting with black-on-black watches, for instance, and of course the archetypal GA-2100 is the blacked-out GA-2100-1A1ER.

Don’t brush the new G-Shock GA-B2100 aside as just a collection of new colors, as this is a major update to the highly popular octagonal GA-2100 watch. Casio has added desirable tech in the form ...

Many brands are experimenting with black-on-black watches, for instance, and of course the archetypal GA-2100 is the blacked-out GA-2100-1A1ER.