The Lapanouse 153 is an open face calibre watch movement that incorporates a stop function controlled by a pillar wheel. It provides a timer function with intervals of 60 seconds (0.2 seconds), 30 minutes, and 12 hours, all operated by the pillar wheel mechanism. In addition, it offers an optional timer function with intervals of 30 seconds (0.1 seconds), 15 minutes, and 6 hours. The movement also features an addition timer, stem winding, and a sweep second hand.