The Wittnauer C11KAS1 watch movement belongs to a series of calibers that were later renamed to 160 through 167. Notably, this movement features minute and automatic transmission wheels that run on ruby studs. In terms of functionality, it includes automatic winding, sweep seconds, day indication set by changing 21-24 hours, and date quickset through repeated pulling and pushing of the crown. Additionally, it incorporates Incabloc shock protection and sweep seconds. This movement was commonly used during approximately the 1970s.