The The Weems & Plath 440315 Trident Time and Tide Clock is a combination time and tide clock movement which averages the Atlantic lunar tide cycle Tide sector is calibrated for the east coast of the United States. The Trident is an easy-to-read tide and time wall clock featuring a matte black case with red, white, and black dial graphics and a flat glass crystal. The dial features Arabic numerals and white hands. A red tide hand indicates the approximate tides for the Atlantic Ocean. Accurate quartz movement operates on one AA battery.
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