This beautiful Tide and Time Clock has a 4" dial, a 5.5" base and is 2.88" deep. This clock exhibits precise quartz movement and tide clock movement which averages the lunar tide cycle. It uses a AA battery and weighs 3lbs. 3oz. The tide sector is calibrated for the east coast of the United States. The case has been created from solid, forged brass. Hand polishing and a flawless coat of lacquer add timeless depth and luster. The screw bezel adds the classic nautical look, yet allows easy access to the components when the unit is mounted. It comes with complete instructions, mounting hardware, a fresh battery and a limited lifetime warranty.