The Helbros 107 10 1/2L is a mechanical watch movement that features a chronograph function. It is designed to accurately measure and display elapsed time, thanks to its integrated chronograph mechanism. The movement allows for the activation, stoppage, and resetting of the timing mechanism through the use of pushers or buttons located on the watch case. The Helbros 107 10 1/2L movement is utilized in various timepieces that require precise timing capabilities.