GIRARD PERREGAUX 504BrandGIRARD PERREGAUXCaliber504SizeFunctionVersionHandsSpezialStem5445Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025445770Mainspring93400770504