Description: This traditional Time & Tide Clock has a black dial with easy to read bold white lettering and is housed n a black case with acrylic crystal. The combination quartz clock and tide clock movements are AA battery operated. The tide sector is calibrated for the East Coast of the US and averages the lunar tide cycle Mounting hardware included Dial: 10 3/4". Dia.: 10 1/2". Depth: 2 3/4"