ETA Calibre 2770 – Part No.1482 Driving gear for Ratchet Wheel Related posts: ETA Calibre 2771 – Part No.1482 Driving gear for Ratchet Wheel ETA Calibre 2781 – Part No.1482 Driving gear for Ratchet Wheel ETA Calibre 2791 – Part No.1482 Driving gear for Ratchet Wheel