UNITAS 174-1 Brand UNITAS Caliber 174-1 Size 13 Function SC Version Hands 0,90x1,40 Stem 10901 Stem (subs.) Stem (2 pce) Balance staff 36003 Balance staff (subs.) 36205 Mainspring (subs.) 1,5x11,5x0,13 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem80210901721174Balnace cplt. -for shock-absorber92000721174723Balance staff ST -shock-absorber80236003723Balance staff, pivoted80236205