FAVOR 250-253 Brand FAVOR Caliber 250-253 Size 8 3/4 Function Version Hands 0,60x1,30 Stem 7006 Stem (subs.) Stem (2 pce) Balance staff 27920 INCA Balance staff (subs.) Mainspring (subs.) 1,6x8,0x0,08 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027006723Balance staff ST -shock-absorber802279204000= 240-256Electronic module97504000240