WÜRTHNER 550BrandWÜRTHNERCaliber550Size14 1/2FunctionVersionHands1,20x2,00Stem10003Stem (subs.)Stem (2 pce)Balance staff54901Balance staff (subs.)Mainspring (subs.)2,1x13,0x0,19Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem80210003721BBalnace cplt. -for shock-absorber92000721550723Balance staff ST -shock-absorber80254901