Chess Clock International Chess Clock Tournament Analog Chess Clock Description: Made of durable wooden case and copper and zinc alloy mechanism, environmentally friendly and durable. This chess clock requires no batteries, is powered by a clock mechanism, and is easy to use, just like a match clock. structure with start button. The game timing operation is intuitive, convenient, accurate, and the daily error does not exceed 1 second. This is the right clock for a variety of chess games. It is suitable for personal family use, didactic use, and various types of chess games, such as chess, Chinese chess, go, and other games. Maintenance: The chess clock should be protected from contact with materials and avoid exposure to sun, rain. Specification: Size: about 15,5x5,5x9,5 cm/6,10x2,17x3,74 inch The package includes: 1 piece Retro analog chess clock : Color may vary slightly due to the color calibration of each monitor.