LONGINES 420.1 Exploded diagram BrandLONGINESCaliber420.1Size5 1/2x8Functiono. SCVersionHands0,55x1,00Stem802 3502 (Gew. 0.80)Stem (subs.)802 3503 (Gew. 0.60)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery346WatchpartsPart NocaliberdescriptionoriginalArtno.401=282.001Winding stem8023502