The Radiomir is the first watch designed by Panerai as a prototype in 1936 at the request of the Royal Italian Navy, which wanted to be supplied with "a special luminous watch for divers". The vintage design of the watch is still prevalent today, featuring an uncluttered green dial with a small seconds sub-dial at 9 oclock. In line with the minimalist design are the batons and Arabic numerals in place as watch markers. Tying the watch together is a sumptuous leather strap, made to feel like butter against the skin. Keeping in line with the functionality needed for the Royal Italian Navy, the watch boasts water resistance at up to 100 metres and a power reserve spanning 3 days.