A quartz watch is powered by a small battery which sends an electric signal through a tiny crystal of quartz which is embedded in the watch. Another type of watch movement is the Mechanic watch, which uses kinetic energy.
Online webshop for high quality diamond jewellery. View all our diamond jewels in our online shop. Our online business model allows us to offer you these high quality jewels at excellent prices. www.baunatjewellery.cn