Authentic Panerai Luminor Quaranta BiTempelling model PAM01640. Features a brushed and polished stainless steel case with a cushion shape measuring 40mm in diameter and 12.70mm thick. Equipped with a see-through sapphire case back and fixed bezel. The green dial displays luminous silver tone hands, Arabic numeral hour markers, stick minute/5-minute markers around the outer rim, and has a date function at 3 o'clock powered by a Swiss automatic movement (P.900/GMT calibre). Includes central seconds hand, a sub-dial for minutes or hours clarification, date display at 3 o'clock position; also features power reserve indication via crown. Comes with cushion case shape, brushed/polished stainless steel bracelet band, folding clasp, sapphire crystal scratch resistant glass, and is rated water resistant to 100 meters (approx. 330 feet). Includes a 2-year WatchMaxx warranty.