B.C.Sen & Co. Ltd. Manufactures Gents Diamond Studded Wrist Band. The Gents Diamond Studded Wrist Band has innovative design with flexible gold wrap-around chain. B.C.Sen & Co. Ltd. Is the manufacturer of Gold, diamond and platinum jewellery. B.C.Sen & Co. Ltd. Includes necklaces, sets, bracelets, bangles, chains, pendants, mangalsutras, ear-studs, juhmkas, rings, etc. In light and heavy weight categories for traditional and fancy variety in BIS Hallmarked standardized caratages.