Ambient Weather 1434GU-22 Fischer Mahogany Wood and Brass Tide and Time Clock, 6-1/2" This beautiful nautical instrument is made from the finest materials, and is at home with any marine decor. The back includes a hook for easy hanging. The precision Tide and time clock with flange lunette includes a polished brass bezel and solid mahogany wood case. Tide Clock Limitations: This tide schedule is geared to tides for the east coast of North America.