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Speedmaster Professional - Exact ID

  1. illusionest Apr 10, 2016

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    Hello! New to the forums here!
    I received a Speedmaster Professional from a family relative, and I want to find its exact model number and ID.
    I'm not entirely familiar with Omega / Speedmaster's serial #s and generations (its the only Omega I have), so I'm posting here to see if I can get some help from fellow Speedy owners.

    The number on the case back begins with 770xxxxx, I believe its a newer model. Would someone be able to advise on the exact model number? And, specifically, which caliber it would be using?

    Attached are some photos I took of the watch (including the case back).

    Thank you!
     
    omega_speedmaster_pro_01_web.jpg omega_speedmaster_pro_02_web.jpg omega_speedmaster_pro_03_web.jpg download_20160118_231802_web.jpg
  2. sky21 Apr 10, 2016

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    I believe the reference stamped inside the caseback should be 145.0022 and/or 345.0022, which is basically the same thing. The Omega reference is probably a 3570.50, and the caliber should be 1861.
     
    usfpaul82 likes this.
  3. Archer Omega Qualified Watchmaker Apr 10, 2016

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    Based on the serial number I can make out...it's a 35705000, which will have a Cal. 1861 inside.

    Cheers, Al
     
  4. illusionest Apr 11, 2016

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    Awesome!! Thanks, guys!!
     
  5. Foo2rama Keeps his worms in a ball instead of a can. Apr 11, 2016

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    Fairly modern luminova dial. So post that change and case back could tell you before or after the model number change.

    So post 1997 and the model number on the inner case back might narrow it a bit more.
     
  6. illusionest Apr 11, 2016

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    Thank you, Foo2rama for the clarification! Greatly appreciated.
     
  7. illusionest Apr 11, 2016

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    Thank you, @Livesimply11 !

    Yes, haha.....that is me, I'm a stormtrooper. Speedmaster is very suitable for stormtroopers, we travel in space quite often.