Professional mechanical analog Chess Clock.Size: About 15x5.5x9cm Available for Chinese Chess, International Chess and I-GO. The clock adopts a mechanical structure with a timing start button. Easy Operation.Our mechanical chess clock has 2 buttons on the top, you can press the left button to stop the timing of the left clock and start the timing of the right clock. No Battery Needed.The mechanical chess clock is a wind-up clock, which is no batteries needed. Thus it will be convenient to use and your competition will not be quit by dead battery.The timing is accurate, and the daily error is no more than 1 second. It is suitable for all kinds of chess game timing clocks. , please follow these instructions:

Place the chess clock on a flat and stable surface before use.

Wind the clock fully in the direction of the arrow marked on the back cover. Avoid excessive force or forced rotation after fully wound to prevent internal damage.

Adjust the clock hands by moving the minute hand to the 12 o’clock position or any desired marking. Always adjust the minute hand vertically to avoid jamming or misalignment with the indicator flags.

To start timing, press the left button to stop the left clock and start the right clock; press the right button to stop the right clock and activate the left clock. Do not strike the buttons forcefully.

For time accuracy adjustment, use a small metal rod in the adjustment holes and follow the left-right directional marks to fine-tune the speed.This analog chess timer is ideal for chess tournaments, I-GO competitions, backgammon, and other turn-based strategy games. Its battery-free mechanical design ensures stable performance in any environment without power restrictions, making it a practical and classic choice for players of all levels.