A Schild – AS Calibre 1903 – Part No. 721 Complete Balance (NOS) Related posts: A Schild – AS Calibre 1903 – Part No. 121 Balance cock (NOS) A Schild – AS Calibre 1916 – Part No. 721 Complete Balance (NOS) A Schild – AS Calibre 2060 – Part No. 721 Complete Balance (NOS)