Cape Codder® Tide Clock: This beautifully detailed tide time clock features a brushed silver face and highly polished solid brass case, A single AA battery powers the precision qiartz movement for two years. High Tide and Low Tide indications, with time remaining, via the Red Tide hand in the center. Will work in Atlantic Coast locations. 6" diameter dial in a deep, solid brass case. Five Year Warranty. Normally ships in 1-3 business days.