IWC Schaffhausen 50000

The caliber 50000 is an automatic movement manufactured by IWC Schaffhausen, introduced in 1993 as the original 7-day Pellaton winding movement. It features bidirectional automatic winding and a 7-day power reserve, representing IWC's first in-house movement in this category. The movement powered notable watches in the Portuguese and Big Pilot collections before being discontinued.