The Panerai Luminor Base 8-Days Acciaio PAM 561 is a military-inspired time-only wristwatch with a striking white dial and a in-house manual wind Caliber P.5000 8-Day power reserve movement. With a classic Luminor case and the distinguishable Panerai patented crown guard, the PAM 561 has the classic Panerai aesthetic that enthusiasts love.