A Schild – AS Calibre 1900 – Part No. 415 Ratchet wheel (NOS) Related posts: A Schild – AS Calibre 1900 – Part No. 210 Third wheel (NOS) A Schild – AS Calibre 1900 – Part No. 227 Sweep second wheel (NOS) A Schild – AS Calibre 1900 – Part No. 407 Clutch wheel (NOS)