Description: Tired of your regular PC clock? Want something special for you computer screen? Then get this amazing Mechanical Clock 3D Screensaver. It shows you all ?internals? and mechanisms that work perfectly in sync. We?ve hired a practicing clock master to be our consultant to help us design a realistic clock screensaver, selecting 18th century Swiss clock as a model. Mechanical Clock 3D Screensaver always works correctly and is never off.