EB 1601BrandEBCaliber1601Size11 1/2FunctionVersionHands0,80x1,30Stem7701Stem (subs.)Stem (2 pce)Balance staff35602Balance staff (subs.)35604 INCAMainspring (subs.)1,8x8,5x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027701723Balance staff, pivoted80235604723Balance staff ST -shock-absorber80235602