Steel Panerai Luminor 1950 GMT Power Reserve PAM 00321. L series Case diameter 44mm water resistant to 300 meters. Automatic 3 days power reserve. P.9002 calibre movement, 29 jewels, 28,800 vibrations/hour. Incabloc anti-choc device, seconds reset, 237 components. Black sandwich dial, small seconds dial at 9 position. Second time zone hand. Date display at 3 position with power reserve indicator. Black rubber strap with steel buckle. Box and papers dated April 2011. PAM 321 Our reference S18991.