Design: the 80 mm quartz clock insert with Arabic numerals is designed with gold trimDimensions: overall diameter is 3-1/8 inch (80 mm); Fit round hold diameter (mounting diameter) is 3 inch (76 mm); Mounting depth is 0.7 inch (18 mm)Clear cover with gold border: the gold plastic rim with quartz movement is good for DIY crafts or replacing old clock faces; And the clear cover allows for reading the time easilyBig black Arabic numerals: the obvious comparison can make these numbers stand out, and people will get the time quicklyPower: 1.5 V AA 1 x battery (not included) 3-1/8 Inch (80 mm) Quartz Clock Fit-up/Insert with Arabic Numeral, Quartz Movement (Gold Trim) DIY process: very suitable for DIY process or replacing old surfaces, transparent lid for easy reading of timeUsage: Suitable for showcasing various crafts such as crystals, wood, ceramics, marble, etcTightening method: fixed with rubber washer (can be directly embedded into the watch base)Features: The 80mm diameter quartz clock head is equipped with a rubber ring that can be fixed in the clock seat. The clock is equipped with a back cover, which can be removed for easy battery installationThe dial has black Arabic numerals for easy reading