KIENINGER RWU Exploded diagram Brand KIENINGER Caliber RWU Clock version Heimuhrwerk Mechanism Federzug Version 12 Hämmer oben (Dreiklang) Battery Size Size Mainspring 090804 (GW + SW) Mainspring 090920 (4/4) MinuteHand Hourhand WatchpartsPart NocaliberdescriptionoriginalArtno..Sperrfeder m. Schraube + BuchseC-0806-000099065770Zugfeder 4/4K-0109-000090920770Zugfeder GWK-0105-000090804770Zugfeder SWK-0105-000090804