The Zenith 106.50 watch movement is equipped with a pin-lever escapement and features an indirect minute, hand friction clutch on the barrel. This movement is almost equivalent to the Wurthner 10.5''' movement. It offers various functions including manual winding, a digital display option for minute and jumping hour, and an optional sub second function. The Zenith 106.50 movement was used during the period of approximately 1975.