ETA Calibre 2770 – Part No.1482 Driving gear for Ratchet Wheel Related posts: ETA Calibre 2772 – Part No.1482 Driving gear for Ratchet Wheel ETA Calibre 2783 – Part No.1482 Driving gear for Ratchet Wheel ETA Calibre 2789.1 – Part No.1482 Driving gear for Ratchet Wheel