MST 478 Brand MST Caliber 478 Size 11 1/2 Function SC-CLD-TG-AUT Version Hands 0,90x1,50 Stem 6215 Stem (subs.) Stem (2 pce) Balance staff 27407 Balance staff (subs.) Mainspring (subs.) 1,20x11,0x0,125 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.242ETA 2500Cannon pignon with driverH = 220920002422500401Winding stem8026215415ETA 2520Ratchet wheel920004152520723Balance staff ST -shock-absorber802274072575ETA 2516Date jumper spring920025752516