Omega
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Thread: Omega

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  1. #1
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    Omega

    Trying to open the case for a model number. Any suggestions? Name:  ImageUploadedByTapatalk1337445739.876222.jpg
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  2. #2
    Zenith Forum Co-moderator
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    Re: Omega

    Well, the top looks gold or plated and the bottom steel. So I would expect that the two are separate. Nevertheless, there is the possibility that the case was made from different parts that were fused to make a monocoque (single shell) case - in which case it would be a front loader. Obviously it doesn't unscrew so if you can't find a notch opposite the crown, it may well be front loaded and therefore a case (pardon the pun!) for a watchmaker with professional equipment.

    Hartmut Richter

  3. #3
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    Re: Omega

    Hi there,

    this case was used by Omega in the mid to late 50s. It has a patented snap on back with gasket, similar to the so-called compessor type. It is possible but difficult to open it with a knife style opener. And if you have it open, it is almost impossible to close it without a case press, Better leave it to a watchmaker; he should have the special tools for compressor cases.

    Regards, Roand Ranfft
    redcow likes this.

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  5. #4
    Member georges zaslavsky's Avatar
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    Re: Omega

    Quote Originally Posted by Roland Ranfft View Post
    Hi there,

    this case was used by Omega in the mid to late 50s. It has a patented snap on back with gasket, similar to the so-called compessor type. It is possible but difficult to open it with a knife style opener. And if you have it open, it is almost impossible to close it without a case press, Better leave it to a watchmaker; he should have the special tools for compressor cases.

    Regards, Roand Ranfft
    Agreed with Roland. I think it must be fitted with a bumper auto movement or with a nice 50x caliber but anyway give it to a watchmaker for servicing it.
    Omega the sign of Excellence since 1848. Jaeger Le Coultre Horlogerie de Luxe depuis 1833
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  6. #5
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    Ok. Sounds good.

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