For Chess Games: This clockwork-driven timing tool operates without batteries and functions similarly to a quartz clock. It is commonly used in various chess games across European and American countries. Mechanical Structure: Features a mechanical design with a timing start button for intuitive, convenient, and accurate time control. Special Maintenance: Avoid contact with corrosive materials, direct sunlight, water, impacts, and areas with strong magnetic fields. High Precision: Daily time error is no more than 1 second, making it suitable for accurate timing in different chess games. Wooden Material: Constructed from wood and plastic, this clock is sturdy, durable, and resistant to damage. It features a natural wood color finish with fine craftsmanship. Color: Wood color Material: Wood + Plastic Size: 15 x 5.5 x 9 cm Package Contents: 1 x Chess Timer Note: The package includes only the items listed above. Lighting conditions and monitor settings may cause slight variations in color between the product image and the actual item. Measurement tolerances may vary by ±1–3 cm.