Mediterranean Sea, 1940s. "Gamma" men in training. The diver emerging from the water is wearing a Panerai compass on his wrist.HISTORY ALWAYS LEAVES A TRACE.LUMINOR SUBMERSIBLEAutomatic mechanical movement OP III calibre, COSC certified. Water-resistance 300 metres. Unidirectional rotating bezel. Steel case 44 mm Ø. Steel adjustable buckle.Available exclusively at Panerai boutiques and select authorized watch specialists.www.panerai.com