The dial of this minimalist clock has a diameter of 7.5″ / 190 mm. The poplar plywood slab is 3 mm thick. This is a silent clock and the mechanism, that is made in China, is powered by one AA battery that is not included. The hands are made of plastic. The clock mechanism will be tested before shipping. 20 Hand-painted colors available. Transit time to the U.S.A. is about 5 days. The shipping will be insured and traceable by UPS.