One of the quality and trouble-free movements found in many of our clocks is the Quartz chiming mechanism by Hermle. These are excellent, accurate, and durable devices which are made in Germany and sound great too! The Hermle quartz movements are workhorses in the clock world, because they can provide premier sound and accuracy for many different kinds of clocks. The mechanisms also provide lots of options for how and when the clock chimes. Here's a diagram of the version of the movement which includes a moving pendulum: Setup instructions for this movement are very simple: 1. Insert batteries. Because of a special coating that Energizer brand batteries uses on their contacts which is not compatible with this devices contacts, it is best to use any other brand besides Energizer. Duracell or almost any other generic brand will work fine. If your clock starts chiming erratically, or (if so equipped) the pendulum stops, please install new batteries. 2. If your clock has a mo...