A Schild – AS Calibre 1712 – Part No. 121 Balance cock (NOS) Related posts: A Schild – AS Calibre 1712 – Part No. 1155 Lower cock for reduclion gear (NOS) A Schild – AS Calibre 1712 – Part No. 125 Pallet cock (NOS) A Schild – AS Calibre 1712 – Part No. 721 Complete Balance (NOS)