7" Brass twenty four Hour Clock with Mahogany stand. Military 24 hour nautical clock comes highly polished. The solid brass case has been doubly protected with a zirconium plating based on chromium plating. No polishing needed and will never tarnish or discolor. This quality brass clock would be an excellent choice for any marine boats to add classic nautical flair and functionality. The clock works with a quartz movement which requires one AA battery. The movement is accessed through the working, hinged porthole. Three year warranty.