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  1. Castle4444

    Castle4444 Jul 23, 2018

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    morning gentlemen,
    Can anybody shed some light on this symbol and the the differences available for this reference? Some seem to have none at all. Thank in advance
    :thumbsup:
    4B1A1746-08EC-46D5-A3B3-35FE29510622.jpeg
     
  2. Davidt

    Davidt Jul 23, 2018

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    I believe that's pretty much the only manufacturer stamp for Speedmasters that is unknown.

    More importantly, how big is that case back or how small is your finger?!
     
  3. Castle4444

    Castle4444 Jul 23, 2018

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    I’m a little fingered man ;)
     
  4. Marty McDawg

    Marty McDawg Jul 23, 2018

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    But seriously, ...?
     
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  5. Castle4444

    Castle4444 Jul 23, 2018

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    Mac screen :thumbsup:
     
  6. chipsotoole

    chipsotoole Jul 23, 2018

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    From memory the best match I could find..Dutch Railways logo
    dutch.png
    maybe inverted it was used for their fledgling space programme! :D
     
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  7. ext1

    ext1 Jul 23, 2018

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    Wasn't there also the tree-shaped symbol on 145022s that was a mystery manufacturer? Or those star-stamped Omegas. I must be very out of the loop ::confused2::
     
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  8. JACK G

    JACK G Jul 23, 2018

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  9. Northernman

    Northernman Jul 23, 2018

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    Mine has the same mark.
    F79C2E3D-43D3-4E4A-9896-D19F0969BF1E.jpeg
    Also Moonwatch Only has a picture of a similar marked case back for ref 105.003-65.
    Production details:
    C1D6E21C-FA4C-44D4-A8FC-E3783C11C603.jpeg
     
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  10. Castle4444

    Castle4444 Jul 23, 2018

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    The movement number on the this one is very similar 24011##### too
     
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  11. rcs914

    rcs914 Jul 23, 2018

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    Oh come on it obviously stands for "Frère Jacques" :D