The Hermann Becker 113 watch movement is a mechanical movement equipped with a pin lever escapement. It features a detached manual wind mechanism and is equipped with 25 jewels, including a jewel bearing in the barrel. The movement incorporates an indirect minute via a hand friction clutch on the barrel. It is identified solely as the 158 31/7. Additionally, this movement offers various functions including automatic winding, sweep seconds, quickset date with a reverse setting, and a digital display indicating the minute, jumping hour (12 or 24-hour format). The Hermann Becker 113 movement also utilizes a pin lever mechanism and incorporates a calendar function. This movement was commonly used around the year 1975.