Quartz movement is suitable for wall clocks, desk clocks, cross stitch clock, etc. this movement kit is in fine workmanship which make it more solid and durable. The mute watch design is practical. the clock movements kits is easy for installation; Simple and elegant design, these replacement parts suit well to different styles of clock frame. Features - Color: Black.- Material: Quartz.- Size: 12 x 6 x 1.5 cm.- Simple elegant design meet all your need.- Easy to install into the clock, is more practical.- Exquisite workmanship with fine movement of the clock provide precise time.- These replacement parts suit well to different styles of clock frame.- Dear buyer, due to lighting effect, monitor& 39;s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you Specification - Crystal vibration frequency: 32.768KHz.- Average daily poor: 2sec/day at 1.5v,24.- Operating voltage: 1.25v to 1.7v.- Working temperature: - 10 to 50 .- Peripheral output frequency: 0.5hz.- Weight: approximately 22g w/o battery.- Second hand output torque: greater than or equal to 1.5gf-cm(1.5v).- Minute needle output torque: greater than 30gf-cm(1.5v).- Average power consumption current: under 160ua at 1.5v.- Second Minute Hour is Second Minute Hour.- Length: 130 mm 160mm or less.- Weight: 2 or less 6g.- Loss torque: Less than or equal to 0.15g-cm 6g-cm.- Axial length: 12 mm / 6 mm / 9 mm / 13.5 mm / 16.5 mm / 18.5 mm / 20 mm / 22 mm.Packing list: 1 x Clock Movement