Material: plastic and aluminum Color: black Power: 1.5V AA 1 x battery (not included) Dimensions: Case size: . 55 x 55 x 16 mm (2.2 x 2.2 x 0.63 inches) Total hour hand length: . 43 mm (1.7 inches) Total minute hand length: . 54 mm (2.1 inches) Total second hand length: . 75 mm (2.95 inches) Package Contents: 1 x Quartz clock movement 1 x Second hand 1 x Minute hand 1 x Hour hand 1 x Plastic washer 1 x Brass washer 1 x Brass nut Warm notice: there are some clock parts made of aluminum, please do not install them with too much pressure or they will be bent Movement size: total shaft length: 15 mm (3/ 5 inch); Thread length: 6.7 mm (7/ 25 inch); Jump second movement, suitable for 1 - 4 mm (1/ 24 - 4/ 25 inch) thickness clock panel Good DIY clock supply: suitable for repairing, replacing the broken parts of a clock or serving as good handwork material to make a clock by yourself Wide application: fit for -, three-dimensional embroidery, craft clock, frame-less draw clock, and suitable as DIY quartz wall clock replacement movement parts, etc. Hand size: total hour hand length: . 43 mm (1.7 inches); Total minute hand length: . 54 mm (2.1 inches); Total second hand length: . 75 mm (2.95 inches)