Overall Outside Diameter: 2.8 inch (70 mm) - this is the outside diameter of the round face desk clock insert. Mounting depth: 0.7 inch (17 mm).<br>Fit round hole diameter (mounting diameter): 2.4 inch (61 mm) - this is the insert diameter of the opening that the clock fits in. You can use this clock insert with delicate floral symmetry design to make clock crafts. Quartz movement clock insert has a rubber band gasket to securely hold the clock face in place.<br>Appearance: The insert clock features smooth surface and bezel color as shown with exquisite workmanship. The craft clock insert is designed with black arabic numerals with circle marking on the dial plate for easy reading.<br>High quality: This mini clock is a good choice for making crafts or as a nice gift. Perfect for home, kitchen, office, etc. With a hole at the back, it allows you to hang it on the wall or other decor items.<br>Compatible clock: Miniature clock fitup insert replacement fits many types of small glass & crystal clocks with quartz movement. Great for crafts or replacing old clock faces.<br>NOTE: Battery is not included (requires 1 piece 1.5V AAA battery).