Tommy Jeans Tokyo 1792001 is an amazing and very impressive Gents watch. Case material is Plastic/Resin, which stands for a high quality of the item and the Black dial gives the watch that unique look. In regards to the water resistance, the watch is marked as water resistant to 30 meters. This means it can be worn in scenarios where it is likely to be splashed but not immersed in water. It can be worn while washing your hands and will be fine in rain.