Brand New Authentic Panerai Mare Nostrum Acciaio Blue Chronograph Dial Leather Strap Men's Watch Model PAM00716. Stainless Steel case with Blue Leather Alligator strap. Tang clasp. Fixed bezel. Dial description: Luminous blue hands and Index/Arabic Numeral hour markers with minute markers around an inner ring and 2 Sub-dials on a Blue dial. Hand Wound movement. Chronograph sub-dials display: 60 Second, 30 Minute. Powered by Panerai Calibre OP XXXIII engine with 42 hours power reserve. Watch functions: Hour, Minute, Second, Chronograph. Pull/Push crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 42mm. Solid case back. 50 Meters - 165 Feet water resistant. 2 year WatchMaxx warranty.