Seiko 8L45

The Caliber 8L45 is an automatic movement manufactured by Seiko in Japan. It operates at 28,800 vph with 35 jewels and features hand-winding capability via the Magic Lever system, providing 72 hours of power reserve from a single mainspring. The movement includes Diashock shock protection and displays the date. Based on the 9S65 architecture, it represents Seiko's in-house development and is used in King Seiko models.