Steel Panerai Luminor 1950 Marina 3 Days automatic PAM 00312. Case diameter 44mm water resistant to 300 meters. Automatic movement, Panerai P. 9000 calibre, executed entirely by Panerai, 7.9 mm thick, 28 jewels, balance, 28,800 alternations/hour. Power reserve 3 days, two barrels. Incabloc® anti-shock device. 195 components. Black sandwich dial, luminous hour markers and numerals, second sweep sub-dial, date display. Polished steel bezel, case brushed steel. Mineral glass see through case back. Black croc leather strap with deployment clasp. Comes with additional black rubber strap. Box and papers dated January 2015. PAM 312. Our reference S21576.