Features 1. Applicable Scope: It is very suitable for DIY quartz wall clock replacement movement, etc. It is also suitable for cross stitch, three-dimensional embroidery, craft clock, frameless clock. 2. Movement Size: Shaft length is 20 mm; Thread length is 11.7 mm. Jump second movement, suitable for about 4~8 mm thickness clock panel. 3. Material: The hour and minute hands are made of aluminum, which is wear-resistant, rust-proof, corrosion-resistant, durable and long-lasting. 4. Eye-catching Design: the replacement clock movement kit is chic but practical; The clock hand has a retro look and the movement is simple, nicely matching with your clock, showing elegance and charm. 5. Accurate and Quiet: Replacement quartz clock movement is featured with high precisions clock mechanism, really accurate and dependable, and it is equipped with sweeping motion, no ticking sound, so you do not need to worry about noise. Specification Material: Plastic Color: Black Size: 56 x 56 x 16 mm, Shaft length: 20 mm, , Copper thread size: 11.7 mm Weight: 25 g Quartz crystal oscillator frequency: 32.768 KHz Travel time accuracy: ± 30sec / month (1.5V DCs. 25 ℃) Current consumption: less than 120 μ A（1.5V DCs.） Working voltage: 13 ~1.7 V Usage temperature: -10℃ ~50℃ Power supply: 1.5 v Second hand output torque: ≤0.6 GF-cm (1.5V) Minute hand output torque: ≤ 30GF-cm (1.5V) Package Include: 1× Hands Quartz Clock