Casio Slide Rule History Revealed! (sorry, not all G-shock)

Thread: Casio Slide Rule History Revealed! (sorry, not all G-shock)

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  1. #1
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    Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Hi,

    I've started a page on the history of slide rule watches as well as surveying many of the models that have been produced:
    http://sliderulewatches.googlepages.com/history.html

    Page 4 has what I believe to be the first summary of Casio's slide rule watches. I'm a big fan of Casio's watches, and their slide rule models were much of mystery to me. Let me know if you can add to the page.

    Edwin Datschefski's biothinking.com site was a wonderful resource for years. He graciously allowed me to use the images from his (now defunct) site. Let me know if I'm missing any favorites.

    Any and all feedback is appreciated. Thanks!

    (Forgive the cross posting to the Pilot/Military and Seiko,Citizen,Orient forums)

    -Art

  2. #2
    Member casiophile's Avatar
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Hi Art,

    Excellent article - nicely thought out and presented. Thanks for sharing it with us.

    A few clarifications:
    The DW-400 and DW-401 are module 905. DW-402 is module 906.
    The DW-7000 and DW-7400 are the same watch, both module 916, the DW-7000 has a metal bracelet and the DW-7400 has a leather band.
    The DW-7100 and DW-7500 are the same watch, both module 913, the DW-7100 has a metal bracelet and the DW-7500 has a leather band.

    Cheers, Greg

  3. #3
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    I enjoyed the site, it was fantastic. I saw lots of cool watches. While I have some Seiko Slide rules, for some odd reason I haven't picked up a Casio yet even though I've admired them quite a bit for about a year now. Here's a pic of one of my Seiko Slide rules..

    Last edited by petew; November 14th, 2007 at 03:27.

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  5. #4
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Wow! I've tried to figure that out for years. Thanks for the info.

    -Art

  6. #5

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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Great work art ! Congrats

  7. #6
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Cool stuff!

    I'm a fan of "slipsticks", whether on a watch or normal ruler style.

  8. #7
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Thanks again Greg, I've updated the Casio section with your corrections. Any idea if there is such a thing as a DW-7300? When I was researching the page, I came across a German ebay "wanted" ad. The guy was looking for either a DW-7500 or DW-7300, so I thought they might be related.

  9. #8
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    That's a nice watch!

  10. #9
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    Right now on my hand:



    Arno

  11. #10
    Member casiophile's Avatar
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    Re: Casio Slide Rule History Revealed! (sorry, not all G-shock)

    The DW-7300 is a Quattro Graph or Penta Graph, can't remember which off hand, and does not have a slide rule. All of the DW-7xxx series are nicely made, all steel, 200M luxury-style watches but only the ones you have listed are equipped with a slide rule.

    Cheers, Greg

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