Z Series aims to maximumly showcase the genius fusion of mechanical aesthetics and precise craftsmanship, applied with the brand new black and gold color matching, the hollowed gear shaped hands, and a reconstructed striking case. With the brightest standard Lumi Nova based on non radioactive and nontoxic afterglow pigments, activated by sunlight or artificial light. Carved from 316L Marine Grade Stainless Steel. Customized Seagull automatic caliber integrated by 25 jewels and 176 precision parts with a power reserve of 40 hours. Visible mainspring for gauging how much power is left.