After the formal launch of the first one in 1936 Panerai Replica watches Radiomir mainly used for underwater operations, Panerai Luminor series of watches launched in early 1950, precisely in order to compensate for the Radiomir series waterproof inadequate. Crown lever guards with strong luminous tritium Panerai diving depth record protection can continue to make breakthroughs. In 1980, Panerai designed the first diving watch waterproof to a depth of 1000 m, waterproof field. 2000 design Luminor Submersible 1000 meter professional diving table, in full compliance with the Swiss industry standards (NIHS) requirements for professional diving watch, sapphire crystal glass thickness of 5.1 mm, Case thickness of 3 mm, at the same time with helium valve.