MST 451 Brand MST Caliber 451 Size 8 3/4 Function CLD Version Hands 0,70x1,20 Stem 5415 Stem (subs.) Stem (2 pce) Balance staff 25803 Balance staff (subs.) Mainspring (subs.) 1,2x7,5x0,08 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.200= 450Center wheel + cannon pinion562396300200450240= 476Cannon pinion525696300240476401Winding stem8025415445Setting lever jumper combinded96300445411705=450Escape wheel -pinion straigt piv.663096300705450723Balance staff ST -shock-absorber802258032556451Datumstern- / Datumanzeiger- Mitnehmerrad6357963025564512576451Date jumper2361