ETA Calibre 2791 – Part No.242 Cannon Pinion with Driving Wheel FacebookTweetPinEmailPrint Related posts: ETA Calibre 2768 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2769.1 – Part No.242 Cannon Pinion with Driving Wheel ETA Calibre 2790.1 – Part No.242 Cannon Pinion with Driving Wheel