A Schild – AS Calibre 1710 – Part No. 440 Yoke spring (NOS) Related posts: A Schild – AS Calibre 1710 – Part No. 430 Click spring (NOS) A Schild – AS Calibre 1710 – Part No. 435 Yoke (NOS) A Schild – AS Calibre 1710 – Part No. 445 Setting Iever spring (NOS)