Panerai Luminor Perpetual Calendar Goldtech 44mm | PAM00742Case: Diameter 44 mm. Brushed Goldtech. Polished goldtech bezel. See through sapphire crystal. Water resistant to 50 meters. Dial: Blue sun brushed with luminous Arabic numerals and hour markers. Day of the week, Date at 3 o'clock, seconds and 24h indicator at 9 oclock. Movement: Automatic mechanical. Panerai P. 4100 calibre. Created by Panerai. 15 1 2 lignes (35. 1 mm). 7. 0 mm thick. 55 jewels. Glucydur balance, 28,800 alternations hour (equivalent