CYMA R40 Brand CYMA Caliber R40 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff 62003 Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover alarm91500180R41705Escape wheel -pinion straigt piv.025998723Balance staff ST -shock-absorber80262003