MST 293 Brand MST Caliber 293 Size 16 Function Version Hands 0,90x1,75 Stem 8902 Stem (subs.) Stem (2 pce) Balance staff 34503 Balance staff (subs.) Mainspring (subs.) 1,7x13,0x0,16 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028902723Balance staff ST -shock-absorber80234503