MST 425 Brand MST Caliber 425 Size 12 1/2 Function CLD Version Hands 0,80x1,50 Stem 6605 Stem (subs.) Stem (2 pce) Balance staff 29113 INCA Balance staff (subs.) Mainspring (subs.) 1,5x11,0x0,12 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.224= 424Second wheel -long lower pivot6095025998401Winding stem8026605443= 424Setting lever assembled369396300443424723Balance staff ST -shock-absorber80229113