The Officine Panerai Radiomir S.L.C. —Siluro a Lento Corsa— 3 Days, represents a tribute to the history of Officine Panerai and to a watch that has constituted a fundamental milestone in the history of professional diver’s watchmaking. Many of the characteristics of this watch come straight from the prototype created by Panerai in 1936 to equip the commandos of the Royal Italian Navy. Fitted with a cushion case in stainless steel with measuring 47 mm in diameter, the Radiomir S.L.C. 3 Days features the iconic slender wire strap attachments of the Radiomir line as well as the conical —onion shaped— crown and a very simple dial with a special feature on bas-relief.