Bộ Bàn Cờ Vua Yanca Phong Cách Retro Chuyên Nghiệp

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Retro mechanical chess game clock
Product Number: DT05ah
This chess clock does not require batteries, is driven by a clockwork, and is easy to use, similar to the operation of a quartz clock.
Material: plastic case, copper-zinc alloy movement
1.100% brand new and high quality
2.Suitable for Chess Game Clock
3. Instructions for use of chess clock:
1). 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.
2). How to use:
a) How to operate the timing button, press the left button, the left clock stops timing, and the right clock starts timing. On the contrary, press the right button, the right side will stop timing, the left side will start timing, and the buttons on both sides will be pressed halfway (that is, the buttons on both sides are in the same horizontal position), and both clocks are in the stop timing state.
b) Second hand zero adjustment
By alternately operating the buttons on both sides, the two clock and second hands can be adjusted to the 12 o'clock position (zero position) in turn, and the hour hand is moved in the direction of the arrow in the needle hole on the back of the clock, and the minute hand is moved to the 12 o'clock position. In the game clock, the zero position of the minute hand is judged with the minute hand pushing the hourly point determination mark "Little Red Flag" to the right to reach the 12 o'clock position, and the scale of the instant minute hand with the "Little Red Flag" freely falling is the zero position.

4. Maintenance
Chess clocks should be prevented from contact with corrosive materials, and avoid exposure to the sun, rain, falling and close to strong magnetic fields

1.material：plastic
2.color：As the pictures shown
3.size：as the picture shows

Package include:1pc

Note:
Please allow minor error due to manual measurement.
The colors may be a little difference for the different monitor dis