Loading... Please wait...Hermle's elligant stainless steel case is highly polished. It comes with a convex mineral front glass lens. It work of a quartz movement. The overal size is twelve inch in diameter. One year warranty on movment. We offer a extended two years on the movement giving you a total of three years. These movement last for many years. Dim: Dia 11-7/8" x D 1-5/8"