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  1. CanberraOmega Rabbitohs and Whisky Supporter Aug 7, 2016

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    Hi all
    I've been trying to identify this caliber. Looks through dr randft but no success. Any help would be great.

    Full disclosure, I am planning on selling.
    image.jpeg image.jpeg image.jpeg image.jpeg
     
    kyle L, GregH, Giff2577 and 3 others like this.
  2. Tire-comedon First Globemaster Aug 7, 2016

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    R17.8SC. Should be written under the balance
     
    VetPsychWars and Syrte like this.
  3. Darlinboy Pratts! Will I B******S!!! Aug 7, 2016

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  4. Tire-comedon First Globemaster Aug 7, 2016

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    Not the same case. On the 2300, the lugs and bezel are thicker. I suppose the diameter is also different.
     
  5. CanberraOmega Rabbitohs and Whisky Supporter Aug 7, 2016

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    Is it an r17.8?
    This is from Randft
    image.jpeg
    To me, it looks very different.
     
  6. Tire-comedon First Globemaster Aug 7, 2016

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    No it's the same, but without the central second. Add a bridge and a wheel, it's the same.
     
  7. CanberraOmega Rabbitohs and Whisky Supporter Aug 7, 2016

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    Thanks!
     
  8. Canuck Aug 8, 2016

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    Omega 311?
     
  9. Archer Omega Qualified Watchmaker Aug 8, 2016

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    Close - add a bridge, 2 additional screws, a friction spring, a sweep seconds pinion, an extended pivot on the third wheel, a drive wheel, and a hollow center wheel, then remove the extended pivot on the fourth wheel, and they will be the same. :)
     
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  10. Tire-comedon First Globemaster Aug 8, 2016

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    Touché!
     
  11. Tire-comedon First Globemaster Aug 8, 2016

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    With a 9 million serial, I think that it was produced before the new numbering.