UNITAS 151 Brand UNITAS Caliber 151 Size 10 1/2 Function Version Hands 0,65x1,30 Stem 7019 Stem (subs.) Stem (2 pce) Balance staff 35801 Balance staff (subs.) 35505 INCA Mainspring (subs.) 1,5x9,0x0,10 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Winding stem8027019721BBalnace cplt. - FLATH= 34292000721148721BBalnace cplt. - HIGHH= 357920007211481723Balance staff ST -shock-absorber80235801723Balance staff, pivoted80235505