Sun 12888 Jumping Second Quartz Clock Movement – Chiming Dotting Trigger Switch Mechanism Keep your wall clock running precisely with the Sun 12888 Jumping Second Quartz Clock Movement. This professional-grade clock mechanism features a jumping second (dotting) movement with a built-in trigger switch, making it ideal for chiming wall clocks, music boxes, and other decorative timepieces that require an on-the-hour trigger signal. Available in multiple shaft lengths to fit a wide range of clock faces and dial thicknesses. Key Features ✅ Jumping Second (Dotting) Movement: Precise step-by-step second hand motion — ideal for chiming and music box clock applications ✅ Built-in Trigger Switch: Activates chime or music box mechanisms on the hour ✅ Multiple Shaft Lengths: Available in 8mm, 12mm, 14.8mm, 17mm, 20mm, and 23mm to fit various dial thicknesses ✅ High Accuracy: Daily precision of ±0.5–1 second ✅ Long Battery Life: 1–2 years on a single AA battery ✅ Plastic Construction: Lightweight and durable ✅ Suitable for DIY clock projects, clock repair, and replacement mechanisms Product Specifications Model: Sun 12888 Movement Type: Jumping Second (Dotting) Quartz with Trigger Switch Dimensions: 56 × 56 × 16mm Shaft Lengths Available: 8mm / 12mm / 14.8mm / 17mm / 20mm / 23mm Accuracy: ±0.5–1 second per day Current Draw: 120–180mA Material: Plastic Battery: 1 × AA (not included); battery life 1–2 years Package Includes: 1 × Clock Movement, 1 × Nut, 1 × Metal Washer, 1 × Plastic Washer Compatible With: Chiming wall clocks, music box clocks, DIY clock projects Pair this movement with our clock collection for hands, faces, and complete clock kits. Browse our DIY & crafts accessories for more clock-making supplies. For clock repair guidance, visit the National Association of Watch and Clock Collectors (NAWCC).
