Serious players know that timing can be everything. Keep track of game play time and turns with the Quartz Chess Black Plastic Clock. Ideal for tournaments or practice, this clock features dual faces with white backgrounds and easy-to-read black numerals. It operates on a reliable quartz movement that requires just one AA battery (included), and it's small in size so it's simple to take along with you or pack away when not in use. The durable black plastic casing measures 7L x 5W x 1.75H inches. Instructions included.