Clock Mechanism Clock Movement Quartz Quiet Movement Sweep Technology Non Ticking DIY Full Repair Kit with Hands Black Quartz Clock Mechanism with Motor and Black Clock Hands Motor: 56mm x 56mm, Hour hand: 50mm, Minute Hand: 70mm, Seconds Hand: 90mm, Spindle length 10mm Requires 1 x AA battery (not included) Please Note: Full length of spindle from the clock back to the end is 10mm, which includes washer and thread.