The Hanhart 41 is an open face calibre watch movement that features a stop- and split-second function with pillar wheels. It offers a timer rattrapante function with a precision of 60s (0.2s) and a duration of 30 minutes. An optional setting is available to switch to a precision of 30s (0.1s) and a duration of 15 minutes. Additionally, the movement includes an addition timer, stem wind, and sweep second functionality. The Hanhart 41 movement was utilized around the year 1991.