EB 8371-67 Brand EB Caliber 8371-67 Size Function Version Hands Stem 7461 Stem (subs.) Stem (2 pce) Balance staff 27610 Balance staff (subs.) 27627 m.loser Rolle Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027461443BSetting lever920004438371723Balance staff ST -shock-absorber80227610723Balance staff, pivoted802276278060Driving wheel chrono9200806083718219Hammer, mounted, 2 functions9200821983718235Hammer operating lever9200823583718290Chronograph wheel friction9200829083718320Clutch spring, 2 functions920083208371