Weems and Plath Brass Endurance 125 Time and Tide Clock

Combination quartz and tide clock movement which averages the Atlantic lunar tide cycle. The tide sector is calibrated for the east coast of the United States. Uses a AA battery. (Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.) The measurements are as follows: Dial: 4-7/8″, Base: 6″ Depth: 1-5/8″.