Manufacturing of all mineral glasses and other glasses for watch cases, watch crowns, tubes for watch cases; manufacturing, purchasing and selling of all products related to watch cases; manufacturing, purchasing, selling, lending and renting of production and manufacturing means for these products; precision and industrial turning of parts; research and development in these fields; acquisition and sale of patents and licenses. The company may be interested in any manufacturing and trading of similar nature and any industry consuming these products, in Switzerland and abroad, as well as any movable and immovable property transactions.