Panerai Luminor Marina 3 Days Automatic. Driven by a P.9000 Calibre automatic mechanical movement built entirely by Panerai which has a 3 day power reserve. Set within a 44mm AISI 316L brushed steel case with 2.6mm thick glare-proof sapphire crystal and a flat sapphire crystal transparent caseback. Black dial with luminous Arabic numerals and hands, with small seconds hand at 9 o'clock and a date display at 3 o'clock. Secured by black alligator leather strap with a deployment buckle. Also features a second interchangeable strap with strap changing tools. Water resistant to 300 metres, PAM00312 is a sophisticated timepiece that combines style and functionality.