89MM Diameter: Perfect for replacing old or clock movements in designs. Powered by one AA battery (not included). Carbon batteries are recommended for optimal performance. Accurate Timekeeping: Reliable quartz movement ensures your clock always shows the correct time. Versatile Use: Ideal for DIY projects or as a replacement part in wooden, hardware, or wrought iron clocks. Sturdy Construction: Made from ABS and metal, ensuring durability and a stylish appearance. This Quartz Clock Movement features a precise 89mm diameter, making it an ideal choice for replacing old or clock movements in designs. Powered by one AA battery (not included), it is recommended to use carbon batteries for optimal performance. With a reliable quartz movement, this clock insert guarantees accurate timekeeping, ensuring your clock always shows the correct time. It is perfect for both DIY projects and as a replacement part, suitable for use in wooden clocks, hardware clocks, wrought iron clocks, and lighting clocks. Made from a combination of ABS and metal materials, this clock insert is sturdy and designed to maintain its stylish appearance. Please note that the real color of the item slightly from the pictures due to monitor brightness and lighting conditions. Allow for slight manual measurement deviations. Color: Silver Material: ABS Package Contents: 1*DIY Clock Insert Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.