Limited 500pcs Hand-wound mechanical movement, exclusive Panerai OP Caliber. Stainless steel case in 44 mm, AISI 316L polished steel. Engraved with Paneristi 15th on caseback, black dial with Luminous Markers & Arabic Numerals with Panerai blue logo. Water-Resistance 10 bar (~ 100 metres). Power Reserve: 56 Hours.