New in box Westport Tide Clock by Weems and Plath
This clock has a second hand to ensure proper movement, plus a tide indicator hand which is calibrated to the Atlantic lunar tide cycle. (Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.) It uses a AA battery.
Dial 3 1/2" Base 4 1/2" Depth 1 1/4"
Price includes shipping.