BULOVA 11 ACAC Brand BULOVA Caliber 11 ACAC Size Function AUT Version Hands 0,85x1,40 Stem 6028 Stem (subs.) Stem (2 pce) Balance staff 28520 Balance staff (subs.) Mainspring (subs.) 1,35x9,0x0,10Sp Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026028410= 11ACWinding pignon9060041011AC723Balance staff ST -shock-absorber80228520