Harbor Master Tide Clock, Brass Case

Amazon.com Price: $199.00 (as of 12/07/2021 10:27 PST- Details) & FREE Shipping.

The Harbormaster is a precision Atlantic coast tide clock that makes it easy to track the tide at your favorite coastal location, regardless of where you are
Tracks according to the average time between lunar high tides in the Atlantic Ocean (12 hrs, 25 min)
Simple mounting system makes it easy to remove from the wall for battery replacement or to adjust for different locations