IWC Schaffhausen 35800

Caliber 35800 is an automatic chronograph movement manufactured by IWC Schaffhausen. Introduced in 2012, it remains in production as part of the in-house 35xxx caliber family. The movement powers chronograph versions of IWC's Portugieser line, representing the manufacturer's continued development of manufacture chronograph calibers. It succeeded earlier ETA-based chronograph movements in IWC's portfolio.