Schelling Classic Tide Timer 24 Hour Tide Clock. High & Low Tide. Ocean Beach

Schelling Classic Tide Timer tide clock. This device indicates the approximate time until the next high or low tide, primarily for the Atlantic coast.
It features a single red hand that shows the hours until the next tide.
The clock operates on a lunar day cycle of 24 hours and 50 minutes, which is different from a standard clock's solar time.
It can be used free-standing on a surface or mounted on a wall.
The clock is made of a sturdy acrylic case with white graphics over an ocean-blue dial.

(Google AI Overview)

Tested it for a few days with a new battery, works great

6" wide x 6" tall x 3" wide base

1 pound