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13ZN Chronographs Inquiries and Information.

  1. ulackfocus Jan 15, 2016

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  2. minutenrohr Jan 15, 2016

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    in addition to the dubious dial (in this thread) there are two more issues that do not belong to a ("mint+"-) 13ZN12:
    1. the little spring at the backside of the hour counter
    2. the spacer between screwback and movement
    both are missing.
    [​IMG] [​IMG]
     
    Edited Jul 18, 2017
    DirtyDozen12 likes this.
  3. LarryG not KennyG, not OG, just LarryG Jan 15, 2016

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    While I believe the Maron example has its problems, the last good one I saw fetched north of 50.
     
  4. PHPHD Jan 15, 2016

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    center seconds hand (black) also looks wrong (tip is squared instead of pointed)
     
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  5. minutenrohr Jan 20, 2016

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    Now the auction has ended without a result. Conclusion: one of the better-known watch dealers offers a 13ZN12 with some issues as "phenomenal" - not mentioning the issues, especially that the dial is reprinted (see above, described by dirty dozen AND see the ebay pics with a remarkable dial foot)...
    http://www.ebay.de/itm/151950580368?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649Purchases made through these links may earn this site a commission from the eBay Partner Network

    regards - h.u.
     
    Edited Jan 20, 2016
  6. DirtyDozen12 Thanks, mystery donor! Jan 20, 2016

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    Remarkable indeed.

    dialfoot11.JPG dialfoot222.JPG
     
  7. DirtyDozen12 Thanks, mystery donor! Jan 20, 2016

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    Here is another dubious dial, foot and all.

    aaaaa.JPG move.JPG
     
  8. Rman Jan 21, 2016

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  9. valjoux72 Jan 27, 2016

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    Great writing about the history of the Longines chronographs 13.33, 13zn and 30ch today at Hodinkee from PH Zou!!
    Good to see that Hodinkee sometimes find his way back to the roots...
    I´m only missing the 12.68zn stop second/minute chrono in the article, even if it has no real flyback function.
    Werk 12.68z.jpg
     
  10. minutenrohr Jan 27, 2016

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    ...I read it (fast). I think it´s ok as a conclusion of all the facts (correct and uncorrect) you can find out using google. F.e. it is NOT correct to describe the 13zn12 as a flyback-movement. Sometimes the (frequently mentioned in Zous article) "tooth" of the lever near the column wheel is filed away (to get the flyback), but all well preserved examples I ever saw have it.

    rgds - h.u.
     
    ELV web likes this.
  11. BartH Follows a pattern of overpaying Feb 7, 2016

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    Does this dial look legit?

    image.jpeg image.jpeg image.jpeg image.jpeg
     
    image.png
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  12. minutenrohr Feb 7, 2016

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    No. Surely redone.
     
  13. LouS Mrs Nataf's Other Son Staff Member Feb 7, 2016

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    No, redial. Look at the smudgy printing in your macros, particularly in the tachy-tele scale.
     
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  14. DirtyDozen12 Thanks, mystery donor! Feb 21, 2016

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    Edited Feb 21, 2016
  15. minutenrohr Feb 22, 2016

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    I also think it´s correct. Minute and hour hand are uncommon. Nevertheless it looks a bit strange because of the distance between hour markers and minute track.

    rgds - h.u.
     
  16. DirtyDozen12 Thanks, mystery donor! Feb 22, 2016

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    Edited Mar 1, 2016
  17. minutenrohr Feb 22, 2016

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    I don´t want to call it a redial. All details are looking correct but nevertheless it looks strange to me; too much empty space on that dial.
    I can´t tell, what it is exactly, but I wouldn´t buy it.

    rgds - h.u.
     
  18. DirtyDozen12 Thanks, mystery donor! Feb 22, 2016

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    I must apologize as I read your statement incorrectly thinking that you said that the dial was incorrect. I agree, the dial does look correct but slightly unbalanced.
     
    minutenrohr likes this.
  19. DirtyDozen12 Thanks, mystery donor! Feb 27, 2016

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    I realize that I am way behind (about a month :eek:) with this response but I felt compelled to shed some light on a crucial feature of the caliber 13.33 that was not mentioned in the Hodinkee piece.

    It seems that the 13.33 is often viewed as a more primitive 13ZN. However, it is certainly more advanced in one respect. While the 13ZN makes do with a simple "jumper" for the minute counter, the 13.33 has a complex instantaneous minute recording mechanism. Rare in any chronograph, the 13.33 was quite possibly the only wristwatch of its day to possess the delicate complication.

    Conveniently, a fantastic video of the mechanism exists. I hope you enjoy!
     
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  20. minutenrohr Feb 27, 2016

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    ...some people think that the 13ZN is the cut-down version of the 13.33, as the 30CH is the same regarding the 13ZN. My watchmaker(s) are sharing this opinion. Perhaps the Hodinkee fans are not so interested in movements or the question if a 30-minute-counter jumps instantaneously or sneaky?

    rgds - h.u.