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Thread: Is this a Longines cal.17.69NZ?

  1. #11
    MWC is that my watch's Avatar
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    Quote Originally Posted by morningtundra View Post
    Yes. I haven’t been able to get any purchase on the screw. If it’s rusted... could be a problem. Was thinking of reverting to WD40 but there’s no coming back from that decision...


    Sent from my cracked, broken hand wound phone. IG @morning_tundra
    yes tricky with them being so small could it be you need to sand down your screw driver tip some times that helps me
    one night I dreamed I was locked in my fathers watch, with Ptolemy and twenty one ruby stars mounted on spheres and the primum mobile coiled and gleaming to the end of space and the notched spheres eating each other's rinds to the last tooth of time and the case closed - John Ciardi ...

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  2. #12
    Member morningtundra's Avatar
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    Quote Originally Posted by is that my watch View Post
    think it's a version of the old Longines 12.68Z maybe ?

    My case serial seems to put it 1934-37. The 12.68Z seems to start 1938 and with more jewels. A predecessor perhaps?


    Sent from my cracked, broken hand wound phone. IG @morning_tundra

  3. #13
    MWC is that my watch's Avatar
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    Quote Originally Posted by morningtundra View Post
    My case serial seems to put it 1934-37. The 12.68Z seems to start 1938 and with more jewels. A predecessor perhaps?


    Sent from my cracked, broken hand wound phone. IG @morning_tundra
    I had modified my post the pic was just to show they did the basic metal models too,

    there is what looks to be 332z in the first pic under the hair spring I showed soo think their maybe a 12.332z but guessing a bit ..it's four in the morning here so will look properly after I have grabbed a few hours of kip.. think the movements from the 20's or 30's so yes would say early version
    one night I dreamed I was locked in my fathers watch, with Ptolemy and twenty one ruby stars mounted on spheres and the primum mobile coiled and gleaming to the end of space and the notched spheres eating each other's rinds to the last tooth of time and the case closed - John Ciardi ...

    https://emgwatches.com/
    http://www.instagram.com/iyonk_strap/
    http://wristwatchreview.co.uk/

    ЖИЗНЬ НЕ ОСТАНАВЛИВАЕТСЯ, ПРОХОДИТ ТОЛЬКО ВРЕМЯ.
    Russian Watches



  4. #14
    Zenith & Vintage Mod Dan R's Avatar
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    Couple of notes, the older you get the more prevalence of screwed jewels as opposed to pressed in. I don't have a reference in Swiss models, but as for the US, earlier jeweled models used screwed in jewels. Lastly, early on, companies would use the same movement (base plate, bridges, etc.) and change the jewels used. I have a UN version which most folks associate with their top of the line 21 jewel movement, but it only has 15 jewels.

    Not that this helps except to understand why it is harder to pin down.

    All the best,
    Dan

  5. #15
    MWC is that my watch's Avatar
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    Quote Originally Posted by Dan R View Post
    Couple of notes, the older you get the more prevalence of screwed jewels as opposed to pressed in. I don't have a reference in Swiss models, but as for the US, earlier jeweled models used screwed in jewels. Lastly, early on, companies would use the same movement (base plate, bridges, etc.) and change the jewels used. I have a UN version which most folks associate with their top of the line 21 jewel movement, but it only has 15 jewels.

    Not that this helps except to understand why it is harder to pin down.

    All the best,
    Dan
    think for me showing the front as well as-the movement help to identify them ... think you have it thou so would say a version of the 12.68z then ?
    one night I dreamed I was locked in my fathers watch, with Ptolemy and twenty one ruby stars mounted on spheres and the primum mobile coiled and gleaming to the end of space and the notched spheres eating each other's rinds to the last tooth of time and the case closed - John Ciardi ...

    https://emgwatches.com/
    http://www.instagram.com/iyonk_strap/
    http://wristwatchreview.co.uk/

    ЖИЗНЬ НЕ ОСТАНАВЛИВАЕТСЯ, ПРОХОДИТ ТОЛЬКО ВРЕМЯ.
    Russian Watches



  6. #16
    Zenith & Vintage Mod Dan R's Avatar
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    Quote Originally Posted by is that my watch View Post
    think for me showing the front as well as-the movement help to identify them ... think you have it thou so would say a version of the 12.68z then ?
    I would agree that it is a version of the 12.68z. The bridges have the same look and layout and the screw holes match. it is not uncommon for a manufacturer to not plate a lower jewel movement. One way to build "value" in a higher jewel count.

    Thanks!

    Dan

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  8. #17
    Member morningtundra's Avatar
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    This is the sad basket case in all its dirty, cracked glory...


    Sent from my cracked, broken hand wound phone. IG @morning_tundra

  9. #18
    Zenith & Vintage Mod Dan R's Avatar
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    Quote Originally Posted by morningtundra View Post
    This is the sad basket case in all its dirty, cracked glory...


    Sent from my cracked, broken hand wound phone. IG @morning_tundra
    Tis a shame. I like to get mine running again to wear them. This one will take a lot of care.

    Dan

  10. #19
    Member morningtundra's Avatar
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    Is this a Longines cal.17.69NZ?

    Quote Originally Posted by Dan R View Post
    Tis a shame. I like to get mine running again to wear them. This one will take a lot of care.

    Dan
    This will be a long term project... suspect Iíll need more than one donor and more money than sense.

    Now that I know Iím looking for a 12.68z I have somewhere to start.


    Sent from my cracked, broken hand wound phone. IG @morning_tundra

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  12. #20
    Member morningtundra's Avatar
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    Is this a Longines cal.17.69NZ?

    This probably belongs in the watchrepair forum but you guys have been so helpful in the past it feels like cheating on you to go elsewhere.

    After a little patient encouragement the stem came out. I was foolishly expecting the movement to just drop out of the case. It spins in the case about 270 degrees then sticks. I removed some of the bridge screws to see what sort of condition lies beneath. Signs of rust but they came out easily. Mostly dirt. Presumably this is whatís keeping the movement in the case.

    Any suggestions to encourage the movement to come out of the case? I donít want to do anything to vigorous due to the cracked enamel dial.


    Sent from my cracked, broken hand wound phone. IG @morning_tundra
    Last edited by morningtundra; Jul 14, 2019 at 06:40 PM.

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