The Felsa 1561 is a mechanical watch movement with an automatic chronograph function, featuring 60 seconds, 30 minutes, and 12 hours counters, operated by a pillar wheel. It also includes a sub-second function, a day display that can be set using a pusher at 7:30h, a quickset for the date function, and a month display which is set via the date. Additionally, it offers a moon-phase display that can be set using a pusher at 8h. The movement is automatic and features a sub-seconds mechanism. The watch movement includes a day and date display and a moon-phase display, along with a calendar with a quickset feature. It was commonly used around 1970.