Mechanical movement unit with metal button and fan-shaped knob Key benefits Reliable precision: Mechanical movement provides accurate, consistent operation without electronic components. Easy adjustment: Fan-shaped knob rotates smoothly for quick manual setting or fine tuning. Durable construction: Metal button in the movement design increases wear resistance and long-term reliability. No batteries required: Battery-free operation eliminates ongoing battery costs, reduces maintenance, and lowers environmental impact. What it does Function: Mechanical movement with integrated metal button and a fan-shaped rotational knob for manual control. Power: Operates mechanically; no electrical power or batteries needed. Performance: Designed for precise, repeatable motion and low-maintenance use. Why customers choose it Simplifies repairs and upgrades by replacing worn or imprecise movements with a mechanically accurate unit. Reduces lifetime operating cost and environmental waste by avoiding disposable batteries. Straightforward to operate — the fan-shaped knob gives secure grip and predictable rotation. Typical applications Clock repair or replacement: Install in wall, mantel, or tabletop clocks to restore accurate mechanical operation. DIY clock projects: Use in custom clock builds where a battery-free, manual-adjust movement is preferred. Vintage restoration: Replace failed electronic movements in older timepieces while retaining mechanical function. Materials and handling Metal button integrated into the movement for added durability. Manual rotary knob designed for comfortable, controlled adjustment. No special tools required for routine setting; follow device-specific installation steps.