Old Chronograph
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  • 1 Post By Carl.1
  • 3 Post By Roland Ranfft

Thread: Old Chronograph

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  1. #1
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    Old Chronograph

    Hello again! I promise I won't ask if a watch is military again... 😁 Now I have this old Chrono and wonder what it is. No name. I can't read caliber. Can you help me?

  2. #2
    Member Carl.1's Avatar
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    Re: Old Chronograph

    If we can....post up as much as you can.....pictures , lots of them.
    badbackdan likes this.

  3. #3
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    Oh, my... I haven't posted images... Here they are:
    Attached Images Attached Images




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  5. #4
    Member Carl.1's Avatar
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    Re: Old Chronograph

    God knows!

    Looks like something from the late 30's early 40's with a snail tachometer scale. Not overly unusual.

    The movement looks like it has a number of ill fitting screws and some serious marks, maybe put together from a few of the era?

    The scale is used to measure slower speeds than a conventional tacho.

  6. #5
    Member Dan S's Avatar
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    Re: Old Chronograph

    Movement is a Landeron 48, or at least something from that family. I can see a "4" next to the balance, but no "8". Probably re-cased and obviously very roughly treated. With no markings on dial or movement, it's not likely you'll learn too much more about it, so you will simply have to enjoy it as an anonymous watch.
    Last edited by badbackdan; June 18th, 2018 at 20:11.
    -- Dan (formerly known as @badbackdan)
    ------- @oldwatchdan on Instagram -------

  7. #6
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    Thank you for these very helpful answers! I knew that I could count on you!

  8. #7
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    Re: Old Chronograph

    It looks as if it might have had some sort of US import code on the balance cock that has been scratched out.....

    Hartmut Richter

  9. #8
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    Re: Old Chronograph

    Hi there,

    the movement is a transition between Landeron 47 and 48. Except the minute-recorder jumper, and accordingly the bridge it sits on, all parts are interchangable between 47 and 48. So the minute-recorder jumper makes this movement officially a 47, although it contains already few parts of the 48, e.g. chrono bridge and balance cock.

    Such movements may be cobbled together later, but most likely left the factory in this shape. Consider how they were produced: C. Hahn (in Landeron) produced the base movement, and the chrono parts were supplied by Dubois-Depraz. And obviously the Landeron factory didn't care for pedigreed movements, but simply screwed together what they picked from their storage boxes - thus the later, the more parts from the 48.

    Regards, Roland Ranfft

  10. #9
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    Thank you very much! It was really helpful.

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