Features: brand new and high quality Size:Front Diameter: Approx.70mm/2.76inch; Total Thickness: Approx.27mm/1.06inch; Back Diameter: Approx.63mm/2.48inch( Including Rubber Ring); Inserting Depth: 17mm/0.67inch. Appearance and surface: black Arabic numerals on white face, clear glass lens, plastic for case with silver colored plastic bezel trim. Rubber band gasket: rubber band gasket securely hold the insert clock in place and allow for slight irregularity in the hole. Needed power: just need 1x 1.5 V AAA battery (not included) can run a long for time. Clock Fitup Insert Replacement Fits Many Types of Small Glass & Crystal Clocks. Perfect for DIY crafts, tiny wall clocks, or replacing old clock faces. Specifications: Material:Plastic&Metal Front Diameter: Approx.70mm/2.76inch Total Thickness: Approx.27mm/1.06inch Back Diameter: Approx.63mm/2.48inch( Including Rubber Ring) Inserting Depth: 17mm/0.67inch Frame Color: Silver Clock Face: Metal Clock Face & White Background & Black Roman Characters Clock Hand Material: Black Metal Clock Hand Battery: 1x 1.5v AAA Battery (Not Included in Delivery) Note: Please allow 0-1cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Powered by 1x AAA Battery.(Not Include) Package includes: 1Piece Quartz Clock