Masters watchmakers are constantly trying to push the boundaries of their field. In addition to the focus on various complications, on the competition of getting the thinnest machine or the most beautiful decorative motif on the dial, they also focus their attention on the use of new materials. A large boom in recent years is represented for example by the watches made of ceramics or completely new alloys. The newest trendy material is then slate, which thanks to its natural character, patterns of structure and coloration from black, green to purple shades, ensures uniqueness to every single piece of watches.