Good quartz clock movement replacement: accurate timing, energy efficient, and easy to use. Simple design ideal for repairing, replacing, or crafting clocks. Suitable for home clocks, DIY projects, wall clocks, frameless clocks, craft clocks, and more. Perfect for use in embroidery, handicrafts, and clockmaking applications. Type: Quartz clock movement Shaft length: 20 mm (0.8 inches) Thread length: 14.6 mm (0.57 inches) Compatible with clock panel thickness: 9–13 mm (0.35–0.51 inches) Second hand type: Jump second movement Rated voltage: 1.5V Recommended battery: AA 1.5V carbon battery (not included) Battery life: Up to 12 months (with UM-3 battery) Instructions: 1. Attach the clock movement to the clock panel. 2. Install with the 12 o'clock position as standard; ensure hour and minute hands are aligned and parallel. 3. Insert the battery only after pulling out the positioning pin from the back of the movement. (Do not insert the battery before removing the locking pin.) Material: Plastic and aluminum Color: Black and gold Package contents: - 2 x Quartz clock movements - 14 x Clock hands - 2 sets of accessories Note: Light and display settings may cause slight color variations between the image and actual product. Measurement may vary by ±1–3 cm.