This beautiful Tide and Time Clock has a 10.25" dial, a 10.50" base and is 2.75" deep. This clock exhibits precise quartz movement and tide clock movement which averages the lunar tide cycle. It uses a AA battery and weighs 17 oz. The tide sector is calibrated for the east coast of the United States. It features a black dial with easy to read bold white lettering and is housed in a black case with acrylic crystal.