Panerai Luminor 1950 8 Days Chrono Monopulsante Mens PAM00275. Stainless steel case with a black leather strap with contrast stiching. Fixed polished stainless steel bezel. Black dial with luminous hands and luminous stick hour markers. Arabic numerals mark the 6 and 12 o'clock positions. Minute markers around the outer rim. Chronograph - two sub-dials showing: 30 minute and 24 hours. Hand Wind cosc movement. Scratch resistant anti-reflective sapphire crystal. Fluted stainless steel crown with security lock. Skeleton sapphire crystal case back. Case diameter: 44 mm. Tang clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, second time zone, 8-day power reserve indicator, 24-hour indicator, seconds reset, single-button chronograph.