Christian Paul RBG3521 is a great Unisex watch. Case is made out of Stainless Steel, which stands for a high quality of the item while the dial colour is Black. 50 metres water resistancy will protect the watch and allows it to be submerged in water for periods, so can be used for swimming and fishing. It is not reccomended for high impact water sports. We ship it with an original box and a guarantee from the manufacturer.