Mid century white gold watch brooch approx: Lavina 17 jewel movement & 18ct white gold case. the bow brooch is unmarked and tests as . Total weight ex movement 6.97 grams, Working When tested, bow tests as 18ct, approx: Lavina 17 jewel movement & 18ct white gold case. the bow brooch is unmarked and tests as . Total weight ex movement 6.97 grams, Working When tested, bow tests as 18ct