The Enameler introduces color possibly by making use of coloured glass or by introducing pigments for the glass before firing. Following the glass melts and flows, it cools into a hard, smooth coating more than the substrate. 'Fewer is often much more,' claims Jennifer Verruto, founder and CEO of Blythe https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/