The Panerai Luminor Submersible 1950 3 Days Automatic Titanio is powered by Panerai’s in-house Caliber P.9000, with automatic winding, 28 jewels, a Glucydur balance, Incabloc anti-shock protection, a frequency of 28,800 vph, and a power reserve of three days from two barrels. The movement also includes a system for that can reset the hour hand backwards and forwards in one-hour jumps without interfering with the running of the minute hand. The watch (Ref. PAM00571) comes on a rubber strap with a trapezoid-shaped titanium buckle, and also has a spare strap that can be easily changed using the supplied steel screwdriver and Panerai’s patented lug system. Its price: $10,900.