HENSE Chiming Regulator Mechanical Wind-Up Clocks Wall Clock with Swinging Pendulum,Color-Mahogany HP31 (#A) Chimes on the hour, and indicates hour with an additional chime. Chime can be disabled. Traditional schoolhouse pendulum wall clock Solid basswood shelf,classical and durable Elegant black metal hands and glass lens. Mechanical Manual Hand-winding,no battery needed.