Casio G-Shock GM-2100B-4AER

This watch needs no introduction. Everyone already knows about G-Shock, which is a symbol, if not a synonym for a durable and unbreakable watch. Through its rigorous testing, it proves that it is ready for anything, whether it is an easy swim or the adventure of a lifetime full of rain, mud, or cold. Stopwatch, multiple time zones, day, date, and many more functions depending on the model make G-Shock a timeless classic when it comes to sports watches.