Many centuries ago, man was able to tell the time by looking at the sun and its position in the sky. Then came the sundial and finally the clocks and watches. The actual purpose of the watch as we all know is to tell us the time down to the tenth of a second. Watches with heart rate monitors are exercise watches that will monitor and let us know the heart rate while we exercise. Like with everything else, watches have evolved with time. There are mechanical watches, battery, solar, and kinetic powered watches. Mobile watch, ie. the wristwatch was popularized and materials used for the straps are all metals, including materials like leather. Sapphire crystals are used in watches to improve the quality and durability. Electronic watches with quart movements are mainly used these days. They do not need batteries and get charged with movement of the wrist. A mechanical watch does need winding up but lasts longer. Brand is the main thing people look for while buying a watch as a fashion accessory. Cartier, Rolex, Seiko, Omega, Swatch. Casio, Tag Heuer are a few of the top watch brands that are famous for their quality, look, and design. Some of them stock jeweled watches studded with