KIENINGER RWU Exploded diagram BrandKIENINGERCaliberRWUClock versionHeimuhrwerkMechanismFederzugVersion12 Hämmer oben (Dreiklang)BatterySizeSizeMainspring090804 (GW + SW)Mainspring090920 (4/4)MinuteHandHourhandWatchpartsPart NocaliberdescriptionoriginalArtno..Sperrfeder m. Schraube + BuchseC-0806-000099065770Zugfeder 4/4K-0109-000090920770Zugfeder GWK-0105-000090804770Zugfeder SWK-0105-000090804