Panerai in-house automatic caliber P.9000. This movement has 28 jewels, carries a 3 day power reserve thanks to the two barrels, beats at 28,800, and has 197 components. Featuring a Glucydur balance and Incabloc anti-shock.
Seiko caliber 8R28 found in an Ananta model SRQ011. This automatic chronograph movement has 34 jewels, power reserve of 45+ hours, consists of 292 parts, and beats at 28,800 vph. It has a column wheel and vertical clutch. Made in Japan.