Description: Overall Outside Diameter: 61mm/2.4 inch, this is the outside diameter of the clock face, mounting depth:11mm/ 0.4 inch . Mounting Inside Diameter: 55mm/2.2 inch, insert diameter of the opening that the clock fits in, Desk movement clock Insert has a rubber band gasket to securely hold the clock face in place. Appearance: smooth surface and gold bezel with exquisite workmanship, designed with black Arab numerals for easy reading. Feature: The craft clock insert, with the smooth hand of second, time accuracy , long life, Perfect for home, kitchen, office,etc. Useful: Can use this clock insert to make clock crafts , or replacing old clock faces . Specification: Material: ABS , Glass Color: Golden Size: Dia 61mm/2.40inch Mounting Dis 55mm/2.17inch Mounting Deep 11mm/0.43inch Package Includes: 1 Piece Desk Clock Insert (With battery)(3 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!