Omega gold plating engraving

Thread: Omega gold plating engraving

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  1. #1
    Member pacifichrono's Avatar
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    Question Omega gold plating engraving

    I found this between the lugs of a gold plated vintage ladies Omega.






    Looks like 20 micron gold electroplated, but I have no idea what the "SA" means.
    Regards from Sunny San Diego..........Tom
    ____________________________________________________
    "There are two kinds of people in this world, my friend, those with loaded
    guns and those who dig!"................Blondie to Tuco in TGTB&TU (1966)


  2. #2
    Member Eeeb's Avatar
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    Re: Omega gold plating engraving

    Probably society anonyme... but that would mean ep doesn't mean electro plate but rather the name of the company...
    "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!

  3. #3
    Member Ray MacDonald's Avatar
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    Re: Omega gold plating engraving

    I think it means electroplated surface area - the surface that was plated to a an average depth of 20 microns.

    There are fathers who do not love their children; there is no grandfather who does not adore his grandson. ~ Victor Hugo

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  5. #4
    Member Marrick's Avatar
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    Re: Omega gold plating engraving

    "EPSA" stands for E. Piquerez SA, a Swiss company specialized in the manufacture of diving watch cases. In the 60's they had 3 types of cases called the "Compressor", "Compressor 2" and "Super-Compressor" :

    Source - after much googling:

    https://forums.watchuseek.com/showthread.php?t=29755

    Presumably they made ordinary cases before specializing in the diving area.
    Last edited by Marrick; February 2nd, 2008 at 21:56.

  6. #5
    Member pacifichrono's Avatar
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    Re: Omega gold plating engraving

    :thanks That's some "sleuthing!"


    Quote Originally Posted by Marrick View Post
    "EPSA" stands for E. Piquerez SA, a Swiss company specialized in the manufacture of diving watch cases. In the 60's they had 3 types of cases called the "Compressor", "Compressor 2" and "Super-Compressor" :

    Source - after much googling:

    https://forums.watchuseek.com/showthread.php?t=29755

    Presumably they made ordinary cases before specializing in the diving area.
    Regards from Sunny San Diego..........Tom
    ____________________________________________________
    "There are two kinds of people in this world, my friend, those with loaded
    guns and those who dig!"................Blondie to Tuco in TGTB&TU (1966)


  7. #6
    Member Marrick's Avatar
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    Re: Omega gold plating engraving

    Quote Originally Posted by pacifichrono View Post
    :thanks That's some "sleuthing!"
    I just wish I'd thought of searching the WUS forums first.

  8. #7
    Zenith Forum Co-moderator
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    Re: Omega gold plating engraving

    AKAIK, "societe anonyme" is the swiss equivalent of "limited". Most Swiss watch companies seem to be "SA".

    Hartmut Richter

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