Hq3268 Seconds Movement Cross Wall Clock Movement Clock Mechanism Black FG05 Movement Hole (pinhole): Precision Hole (coarse hole) Material: Stainless Steel, Plastic Color: Black Movement Size: 5.6cm * 5.6cm * 1.6cm Total Shaft Length: 12mm, Thread Length: 5mm Package Included: 1 x Watch Movement DIY Repair Clock: This movement can be used to repair or replace broken clock mechanisms, or for handmade projects. Requires one 1.5V AA battery (battery not included). Hour hand pinion diameter: 0.55cm Minute hand pinion diameter: 0.35cm Second hand pinion diameter: 0.1cm Installation Steps: 1. Install the hour hand first. 2. Install the minute hand second. 3. Install the second hand last. Align all hands at 12 o'clock. Keep hands parallel and ensure they do not rub against each other or the clock face. Note: Ensure the second hand does not touch the glass or cover to prevent time inaccuracies.