A Schild – AS Calibre 1903 – Part No. 440 Yoke spring (NOS) Related posts: A Schild – AS Calibre 1903 – Part No. 425 Click (NOS) A Schild – AS Calibre 1903 – Part No. 430 Click spring (NOS) A Schild – AS Calibre 1903 – Part No. 435 Yoke (NOS)