This British Red Scuba Navy Diving Helmet, also known as Mark V Scuba Diving Marine Helmet, is a handmade antique reproduction. It is made of iron, brass, aluminium and copper with a weight of 7 kg. The size of the helmet is 18" inches and it originated from India. It was designed to be used by the US Navy in diving missions. This diving helmet is a perfect addition for collectors of maritime antiques and diving helmets.