Jewelry, Eyewear and Watch Design Atto Verticale Mechanical Watch by Tommaso Masera Wrist watch with a mechanical hand wound movement assembled on an aluminum colored case. In between two sapphire glasses the movement floats on the strap, matching with the shape and the colors of the case. The interchangeable strap has two tone: the front follows the color of the inner ring, the back is the case color. The matte finishing of the bottom sapphire crystal shows the transparent silhouette of the movement. Atto Verticale has nine color versions with two materials strap: canvas or leather.