Panerai Historic Luminor Marina Watch, cushion-shaped polished stainless steel case (44mm diameter – not including crown guard, 15mm thickness) with transparent caseback, high polished stainless steel bezel, brown calfskin strap, white dial with luminescent hands and black Arabic numerals, 17 jewel Caliber OP XI manual-winding movement with 56 hour power reserve and COSC certification, fully protected crown-lock mechanism, small seconds dial at 9 o clock, anti-glare sapphire crystal, water resistant to 300 meters.