A Schild – AS Calibre 1712 – Part No. 415 Ratchet wheel (NOS) Related posts: A Schild – AS Calibre 1712 – Part No. 210 Third wheel (NOS) A Schild – AS Calibre 1712 – Part No. 255 Hour wheel (NOS) A Schild – AS Calibre 1712 – Part No. 420 Crown wheel (NOS)