ETA Calibre 2750 – Part No.242 Cannon Pinion with Driving Wheel Related posts: ETA Calibre 2751 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2752 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2753 – Part No.242 Cannon Pinion with Driving Wheel