What does "Y2" mean on ESA movement plates?

Thread: What does "Y2" mean on ESA movement plates?

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  1. #1
    Member Silver Hawk's Avatar
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    What does "Y2" mean on ESA movement plates?

    Been wondering about this for some time; does anyone know what "Y2" signifies on ESA movement plates?

    You can find this mark on ?all? ESA electrconic movements from the 1960s and 1970s i.e. ESA 9150 through to 9158 (the Dynotrons)...but also the ESA 9162 and 9164 tuning fork movements as found in Omega F300, Tissot Tissonic, Longines Ultronic, etc.

    On the photo below, you can see the "Y2" on the far right of this ESA 9162 movement:


  2. #2
    Member Eeeb's Avatar
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    Re: What does "Y2" mean on ESA movement plates?

    I have noticed a 2 character letter-number code on a number of ESA movements. I assume it is used to identify a sub assembly.
    "Forever is composed of nows." - Emily Dickinson

    "The watch has to be surrounded by a history.
    You need more than just a great design. You need to create an atmosphere around the product.
    Who is the company behind it? Why are they using this material?
    People need to be able to identify the watch with themselves. It's based on emotion." - Ralph Furter

    ...that's just my opinion and I've been wrong before and will be again and might be now!

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