The Bettlach 8488-74 watch movement is part of a family of movements that includes the Femga 500, 502, 520 and other Precimax models. While the relationship between the French Femga and Swiss Precimax is unclear, there are similarities among these movement families. Further investigation is required to confirm any potential connections. The Bettlach 8488-74 movement features functions such as manual winding and a sweep second hand.