Beautiful Newburyport Wood Map Tide Clock Designed by a fisherman nearly 50 years ago, our Tide Clocks continue to be one of our best selling products. From beloved shorelines to iconic lighthouses, each chart tells a story of maritime adventures. Offered in a variety of colors to fit every coastal style. • Handcrafted in the USA • Size: 16" or 24" Diameter • Made of Baltic Birch • Available in Deep Blue or Blue Green Water Stain • Accent Ring available in all Birch, Driftwood Gray, Warm Americana, Golden Honey or Sun Bleached Blue • Water with laser engraved depth contours recessed one level below the shoreline. • Lunar Quartz mechanism operates on one AA battery, not included. Implementing innovation while respecting traditional methods, we strike a balance that ensures our products reflect both the ingenuity of the times and the timeless values of American craftsmanship. Each chart stands as a testament to the skill and passion of the artisan.