Vacheron Constantin 7592 Black Full SetVacheron Constantin is a watch maker founded in Geneva, Switzerland in 1755. It is considered to be the oldest watch maker in the world that has continued uninterrupted since its establishment. Patek Philippe, Audemars Piguet is said to be one of the world's three largest luxury watch makers. In Japan, it is sometimes called the "cloud brand". The case is made of 18K white gold. Also, I think that it is hand wound because it is a very thin two hand