Submersible, Luminor, Radiomir and Luminor due  are the main players in Panerais collection .Officine Panerai’s history begins on Ponte alle Grazie in Florence as a shop workshop and watch school . The shop later moves to its current location in the Palazzo Arcivescovile in Piazza San Giovanni, here Paneria becomes an important part of the Royal Italian Navy which they had allreadybeen supplying them with precision instruments  for years but comes up with a radium based powder for high illuminity .