Hi friends this time I will share an experience about a watch with a very well known brand. the G-Shock brand. this watch is the brand name under the auspices of Casio. This brand is known familiar with very good strength. one of them can survive long in the water and is strong enough in case of collision in these watches. you would not have that penasarankan for watches like this. for that I recommend you download a file that contains information about watches casio g-shock.