Chelsea Clock Patriot Tide Instrument Price: $175.00 (as of 12/07/2021 10:28 PST- Details) & FREE Shipping.

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Vintage-Inspired Style – This classic tide instrument’s design is based on an original 1940s WWI military-style deck clock by Chelsea Clock.
Easy Tide Tracking – A practical on-board instrument, the clock clearly displays tide readings for the U.S. East Coast.