P.2031/S

Debuting in the Luminor 31 Giorni PAM01631, the Panerai P.2031/S is a skeletonized manual-wind movement engineered for long power reserves. It utilizes four series-connected barrels holding 3.3 meters of mainspring to provide 31 days of autonomy, regulated by a torque limiter and stop system from a 36-day potential. Measuring 15¾ lignes by 10.06mm with 276 components and 25 jewels, it features a 21,600 vph frequency, Incabloc protection, a jumping hour mechanism, and a polarized date display alongside power reserve indication.