The Girard Perregaux 88.09 watch movement is part of a family of movements that includes the Femga 500, 502, 520, and other Precimax models such as the 250, 250SC, and 400. It is unclear whether there is any relationship between the French Femga and the Swiss Precimax movements. The Girard Perregaux 88.09 movement is a manual wind movement with a sweep second hand. It was typically used around the year 1945.