A Schild – AS Calibre 1717 – Part No. 410 Winding pinion (NOS) Related posts: A Schild – AS Calibre 1717 – Part No. 240 Cannon pinion with clam notch (NOS) A Schild – AS Calibre 1717 – Part No. 243 Cannon pinion without clam notch (NOS) A Schild – AS Calibre 1717 – Part No. 401 Winding stem (NOS)