Chess Timer Clock

Made of durable wooden casing and copper - zinc alloy movement , safe , environmentally friendly and durable . this chess clock does not require batteries , is driven by a clockwork , and is , similar to the operation of a quartz clock . made of durable wooden casing and copper - zinc alloy movement , safe , environmentally friendly and durable . the game clock adopts a mechanical structure with a timing start button . the game timing operation is intuitive , convenient , accurate , and the daily error is not more than 1 second . it is suitable for timing clocks for various chess games . package includes: 1 piece retro analog chess clock timer