Elegant Quartz Analog Design This miniature insert clock features a classic analog clock face with a quartz movement for accurate timekeeping It is designed to fit seamlessly into various types of small glass and crystal clocks offering a versatile solution for your timekeeping needs Compact Dimensions With an overall outside diameter of 144 inches and a mounting depth of just 025 inches this clock face insert is designed to fit seamlessly into a small glass or crystal clock Precise Fitment The mounting inside diameter of 128 inches 325mm expands to 136 inches 35mm with the included ring gasket ensuring a secure and snug fit Perfect for use in clock craft projects Longlasting Battery Power Powered by a PC21 quartz movement with a longlife silver oxide battery included This quartz clock insert ensures reliable timekeeping for an extended period Brand Crafted by ShoppeWatch with a slim profile this replacement clock insert offers accurate and dependable timekeeping making it a practical choice for your home or office