ETA Calibre 2789 – Part No.242 Cannon Pinion with Driving Wheel FacebookTweetPinEmailPrint Related posts: ETA Calibre 2768 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2778 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2783 – Part No.242 Cannon Pinion with Driving Wheel