Description

Quantity: one piece



Color: Black



Product size: 15 x 5.5 x 9 cm



Packing box: 19X7X12CM



Chess clock net weight: 280 grams, + color box is 350 grams



This chess clock does not require batteries, is powered by a mainspring, and is easy to operate, similar to the function of a quartz clock.



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Material: Plastic case, Zinc alloy movement



Technical indicators: The product is divided into left and right movements, and each complete spring can last for at least 36 hours. The daily running time accuracy is 3 minutes.



The method of use is as follows:



1) Place the chess clock on a flat table before use



2) Push in the direction indicated by the arrow on the back to fully wind the mainspring. When the mainspring is tightened, do not turn it hard to avoid damage.



3) Set the pointer: first set the minute hand to the 12th position, or set the minute hand to any indicated position, if necessary. When adjusting the pointer, be sure to turn the clock to the vertical position to prevent the minute hand from getting stuck on the indicator flag and causing the minute hand to slip.



4) To start: Press the left button, the left clock stops and the right clock starts, press the right button, the right clock stops and the left clock starts (but it is not recommended to press the button hard to avoid damage)



5) Speed adjustment: If there is an error in the speed, use a small metal rod to adjust the speed mechanism in the hole in the direction shown to the left and right of the crescent-shaped hole on the back.



Maintenance:



The chess clock should be protected from contact with corrosive objects, avoid exposure to sunlight, rain, dropping, and close to strong magnetic fields