Description: Measurement: outside maximum diameter of the clock insert is 3.5 inch/90mm, the back mounting diameter is about 3.15inch/80mm. Please clock size first before purchasing. Easy to Replace: This wall clock with rubber band gasket to securely hold the insert in place. Very easy to replace, and durable for a long time using. Battery Powered: Round clock insert requires 1 piece AA battery (Not Included). Retro Design: The quartz movement designed with gold plastic rim, which look vintage and elegant, numerals and Arabic numerals allow for . Widely Applications: Gold trim clock insert fits for many popular glass and craft clocks, suitable for crafts or replacing old clock faces, also as wall decor for indoor, home or living room. Specification: Material: Plastic frame and metal pointer Size Chart: Overall Diameter: 90mm/3.54inch Back Mounting Diameter: 80mm/3.15inch Mounting Depth: 15mm Package Includes: 1 Piece Round Clock Insert 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!