Diesel Fastbak DZ1838 is a super special Gents watch. Case material is Black Ion-plated Steel and the Grey dial gives the watch that unique look. In regards to the water resistance, the watch has got a resistancy up to 50 metres. It means it can 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.