$25. Omega Geneve with 550 mvnt. No regulator

Thread: $25. Omega Geneve with 550 mvnt. No regulator

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  1. #1
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    $25. Omega Geneve with 550 mvnt. No regulator

    1959 introduced 550 basic and 24j 551 for Constellation chronometer. 50 hour reserve autowind. A junk store purchased 550 example shown here runs accurately. Micrscope shows no whiplash regulator ever installed although has threaded screw holes. Cost saving? Or?
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    Last edited by artb; April 4th, 2010 at 20:48.

  2. #2
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    Well, the whole thing looks somewhat like a "mariage" - the movement seems to have different gold platings on different parts. So, given that it probably isn't original, the swan neck fine regulation may well have got lost along the way (broken and not replaced or used for another watch in a similar manner in which this one was put together).

    Hartmut Richter

  3. #3
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    The plates do look dissimilar. Platform for the regulator looks maybe it could be a new part. I guess it is somewhat adjustable without it. Is the coppery looking movement finish actually a gold alloy?

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  5. #4
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    Now: Were this being touted as a Seamaster, it would be one of Frankenstein's monsters but it carries a new rotor and bridge by the looks of it so it is a serviceable collection of Omega parts. The serial number won't tie to the case because it has a Seamaster back and yet, it is all Omega.
    That means a very good watch for $25 even if you need to hunt down some parts and service it. Not all Omegas are prized collectors' pieces, nobody is passing it off as anything it isn't and there is something nice about the way these pieces have combined to make a watch out of bits. It will almost certainly keep good time, so I'd , tidy it up and use it as a beater.
    If I could find a plain caseback, I would fit it but I fear that it will be difficult to find the correct case because, as I understand it if you only have the movement number, Omega may be reluctant to tell you more about it.
    The alloy is copper with a trace of beryllium to prevent tarnish.
    Last edited by tomshep; April 3rd, 2010 at 15:04. Reason: addition

  6. #5
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    Tomshep: Your informed description makes it really interesting. Thankyou and also to Hartmut. I wonder if I could exchange dial and hands to all original nice 600 movnt? They are same diameter.
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    Last edited by artb; April 3rd, 2010 at 16:43.

  7. #6
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    If I had an original, I would leave it that way.

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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    Very right and just reminded the cheap good one is not gold markers and hands.

  9. #8
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    I wouldn't switch dials because the franken-Geneve is refinished. The GENEVE is the wrong font and there isn't an accent over the middle E.

  10. #9
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    Hi Ladies,

    just to finish the continuously recuring discussion of the pink gold plating of
    Omega movements: It is an electrolytical gold plating, and the pink color is
    obtained by small quantities of cadmium in the plating solution.
    1984/85 this process was stopped because cadmium disposal is difficult.
    Replacement parts after 1984/85 were still pink gold plated, but in a more
    yellowish tone, due to missing Cadmium.

    Regards, Roland Ranfft

    BTW: Presently lots of Omega swan's neck regulators are circulating on ebay.
    It should be no problem to replace a missing one.

  11. #10
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    Re: $25. Omega Geneve with 550 mvnt. No regulator

    It is a remarkable world, and encouraging for the future, when a hopeless idiot with his $25. of serviceable parts gets so much concerned attention. I just opened the back on this Omega thing and the clean bright two tone or more metal finishes glitter like fine gold and the balance is smoothly racing along with just a partial rotation on the rotor. Its a keeper and now better appreciated. I will look for a regulator to complete this interesting mess of quality pieces or actually pay Bill the fine watchman to do it with the right screws.

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