B.F.G. 158 Brand B.F.G. Caliber 158 Size 12 1/2 Function SC-CLD Version Hands 1,10x1,60 Stem 8303 Stem (subs.) Stem (2 pce) Balance staff 28912 Balance staff (subs.) 29813 Mainspring (subs.) 1,25x10,5x0,125 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028303723Balance staff ST -shock-absorber80228912723Balance staff, pivoted802298132557date indicator90302557158