Movements - OP XII
The OP XII is an automatic chronograph movement based on the Valjoux 7753, with a date at 4, and a date quickset pusher around 11.
13¼ lignes, 27 jewels. Monometallic Glucydur® balance making 28,800 alternations/hour. Incabloc® anti-shock device. Power reserve 46 hours. Bridges and oscillating weight personalized PANERAI. Chronometer Certificate (C.O.S.C.).