- Power Efficiency: Operates on a single 1 x 1.5V battery (not included), ensuring long-lasting performance for your timekeeping needs. - Versatile Replacement: This watch insert is compatible with various small glass and crystal watches, making it ideal for tiny wall clocks or replacing outdated clock mechanisms. - Dimensions: - Front Diameter: Approximately 70 mm - Total Thickness: Approximately 27 mm - Rear Diameter: Approximately 63 mm (including insertion depth of 17 mm) - Secure Seal: The integrated rubber band seal provides a snug fit for the watch insert, accommodating slight irregularities in the installation hole and ensuring stability. Practical Applications: 1. Wall Clock Restoration: Perfect for revitalizing old wall clocks that have stopped working, providing an efficient and straightforward replacement solution. 2. Craft Projects: Great for DIY enthusiasts looking to create custom clocks with unique designs by upgrading clock mechanisms with this reliable insert. 3. Gift Making: Ideal for personalizing gifts by creating bespoke wall clocks or decorative timepieces that friends and family will cherish. This functional and reliable watch insert is designed to enhance your clock collection while offering a simple and effective replacement solution.