Professional Installation Recommended: For optimal results, we strongly advise having this movement installed by a professional to avoid potential damage during assembly sturdy Construction: Made from sturdy and metal materials, this movement ensures long time and efficient operations under daily use Easy Replacement & Upgrade: Perfect for replacing old or damaged movements, as well as watch modifications and craft projects, offering a seamless upgrade solution Timekeeping: The SP68 watch movement features a continuous seconds hand with three hand without date design, stable and smooth timekeeping for your wristwatch Simple & Functional Design: The SP68 quartzs movement provides accurate three hand functionality without a calendar, ensuring hassle release timekeeping, Manufacturer: NEWFT