Feature:* * for and long-lasting use.* Easy to install and operate with long service life.* Quiet and precise during operation.* Ergonomic design for high-efficiency work.* This item is equipped with a continuous, smooth sweeping motion that removes any ticking noise that may distract or interrupt. The other hand moves smoothly around the clock face. This clock movement also features a high motor torque, which can drive lightweight, balanced clock hands. Details:Color: Black. Material: Plastic and aluminum. Movement Size: 56*56*16mm, Shaft Length 20mm, Thread Length 14mmClock Hand Size: Clock 89mm, Minute 120mm, Other Hand 115mm (Measured from the center of the needle)Battery: 1 AA battery (not included)Application: 8-12mm panel, large diameter clock face 30*35mmPackage size: Approx. 16*7*4cm/ 6.3*2.8*1.6in (L*W*H). Package Contents:1 * Silent Clock Movement Kits for DIY Replacement Watch (Black Simple Clock by Hand, Without Battery)Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.