7" Brass twelve-twenty four Hour Clock. This beautiful brass 12/24 hour clock is designed to withstand the toughest outdoor conditions. 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. The clock case features four mounting holes on the base flange and comes with four brass screws. We carry rosewood clock plaques and brass engraving name plates to personalize it. We also carry walnut finish clock stands to fit.