A Schild – AS Calibre 1900 – Part No. 420 Crown wheel (NOS) Related posts: A Schild – AS Calibre 1900 – Part No. 407 Clutch wheel (NOS) A Schild – AS Calibre 1900 – Part No. 422 Crown wheel ring (NOS) A Schild – AS Calibre 1900 – Part No. 422 Crown wheel ring (NOS)