Umbra 1004385 12-1/2 Inch Diameter Meta Steel Analog Accent Clock with Quiet Sweeping Movement Features:Quiet quartz movement with a smooth sweeping motionRequires 1 AA battery, not includedCreated from steel, this circular analog clock is sure to make a statement in any roomDesigned by Umbra's very own design studioIncludes a 5 year limited manufacturer warrantySpecifications:Diameter: 12-1/2" Clocks Copper.