FAVOR 250 Brand FAVOR Caliber 250 Size 8 3/4x12 Function Version Hands 0,65x1,35 Stem 7520 Stem (subs.) Stem (2 pce) Balance staff 30802 Balance staff (subs.) 31302 SSR Mainspring (subs.) 1,35x10,0x0,11 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027520723Balance staff ST -shock-absorber80230802723Balance staff, pivoted80231302