Steel Panerai Radiomir Black Seal Logo PAM00380. R Series of 1000. Case diameter 45mm. Water resistant to 100 meters. Hand-wound mechanical OPII calibre movement, 16½ lignes, 17 jewels, monometallic Glucydur® balance, 21,600 alternations/hour, Incabloc® anti-shock device. Power reserve 56 hours. Chronometer certificate (C.O.S.C.). Black dial, with luminous hour markers, Arabic numerals, and seconds sub-dial at 9 o’clock, Panerai logo at 6. Black croc leather strap with steel tang buckle. Box and papers dated December 2015. PAM 380. Our reference S21457.