AS 1634 Brand AS Caliber 1634 Size 11 1/2 Function Version Hands 0,80x1,50 Stem 7210 Stem (subs.) Stem (2 pce) Balance staff 30716 INCA Balance staff (subs.) Mainspring (subs.) 1,7x10,0x0,11 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.260= 1123Minute wheel920002601123401Winding stem8027210407= 984Clutch wheel92000407984723Balance staff ST -shock-absorber80230716770BMainspring920007701634