Set into natural bamboo with a laser etched face, our Northcore time clock is an awesome addition to any wall in your home. A analogue time version twist on our classic tide clock. The clock is approximately 10 x 10 inches in size and looks stunning on any home, office or work place wall. It's the ideal accessory or gift for surfers, sailors, beach walkers and many more. Made from natural bamboo Analogue time Requires 1 x AA Battery 10 x 10 inches Crafted from natural bamboo with a laser-etched face, Northcore tide clocks are designed to help you track tide times for your chosen location. To set it up, consult your local tide chart, align the clock with the next high or low tide, and insert an AA battery (not included). The clock will then rotate every 12 hours and 25 minutes, providing a clear indication of the current tide state and the remaining hours until the next high or low water. Measuring approximately 10 x 10 cm, this tide clock is both functional and stylish.