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Thread: Show your bi-compax!

  1. #51
    Grand Master abraxas's Avatar
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    Quote Originally Posted by RAJEN View Post
    That is a fantastic group Pepere13.
    +1 Right down my street.

  2. #52
    Grand Master Neil.C's Avatar
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    Quote Originally Posted by abraxas View Post
    That is not a bi-compax. It is an "over and under", like the shot guns.
    I know, it is just that folk on this forum were equating bi - compax with two register so I thought I'd join in.

    Just to compound the error, here's another two register of mine....

    Cheers,
    Neil.

    My Speedmaster website:

    http://www.freewebs.com/neil271052

  3. #53
    Master Omegary's Avatar
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    My old Wakmann, the watch that started all this madness!



    Cheers,
    Gary

  4. #54
    Grand Master magirus's Avatar
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    I'm not sure what this is now . . .



    F.T.F.A.

  5. #55
    Master j111dja's Avatar
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    Quote Originally Posted by ellsy_79 View Post
    that hamilton is stunning


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    Thank you. A piece of value amongst a world of retail madness.

  6. #56
    Quote Originally Posted by ellsy_79 View Post
    that hamilton is stunning


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    As is the Eberhard.

  7. #57
    I love twin register chronos and this thread has thrown up some amazing examples. Some real vintage beauties as well a smattering of some modern ones.

  8. #58
    I think I have found a "Bi-Uni-Compax"


  9. #59
    Master j111dja's Avatar
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    Quote Originally Posted by RAJEN View Post
    As is the Eberhard.
    Thank you.



    Last edited by j111dja; 10th September 2021 at 20:00.

  10. #60
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  11. #61
    Quote Originally Posted by Ar.parask View Post





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    There’s that lovely Siduna again, well done!


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  12. #62
    Craftsman
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    Here are my bi-compax / two register pieces.
    I love a two register watch.








  13. #63
    Craftsman
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  14. #64
    Craftsman
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    Here’s my Hamilton 6bb IMG_4035.jpg


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  15. #65
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    Quote Originally Posted by Boxsash View Post
    Here’s my Hamilton 6bb IMG_4035.jpg


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    All I see are three wee dots in a minuscule wee picture.

  16. #66
    So, am I right in thinking a chronograph with 3 sub dials, one of which is a running seconds, would be described as " bi compax"?. Or, is it a term which means a number of things and is not, yet, a definition? I may well have missed a crucial point but am b*****d if I can determine it.

  17. #67
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    Yep, still struggling with Tap Talk....one of these days I'll figure it out and be able to upload some pics. It is getting a tad frustrating.

  18. #68
    Master sweets's Avatar
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    Quote Originally Posted by notnowkato View Post
    So, am I right in thinking a chronograph with 3 sub dials, one of which is a running seconds, would be described as " bi compax"?. Or, is it a term which means a number of things and is not, yet, a definition? I may well have missed a crucial point but am b*****d if I can determine it.
    No, originally a Compax chronograph had 3 sub-dials, one of which is running seconds. So a Compax has 2 chronograph-related sub-dials
    Uni-Compax has 2 sub-dials, only one of which relates to the chronograph (hence Uni), the other being running seconds
    And Tri-Compax, when it was (rarely) used had 4 sub-dials, one running seconds, 2 for the chronograph, and the fourth for date-moonphase

    So the Compax was considered by UG to be the 'normal' state of affairs wrt chronographs, with Uni being a simplification of it, and Tri being further complicated.

    Bi-Compax never existed, until modern hipsters, wanting to show they have some knowledge of chronograph heritage, starting trying to use the 80-year-old Compax terminology, and got it completely wrong.

    Remember, in 1936 when this was all invented, almost all watches had 1 sub-dial for running seconds, very few had centre seconds, so a running second sud-dial was considered normal, and not a complication at all.

  19. #69
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    Quote Originally Posted by Boxsash View Post
    Yep, still struggling with Tap Talk....one of these days I'll figure it out and be able to upload some pics. It is getting a tad frustrating.
    Postimages.org works for me. Pretty user friendly too.

  20. #70
    Quote Originally Posted by sweets View Post
    No, originally a Compax chronograph had 3 sub-dials, one of which is running seconds. So a Compax has 2 chronograph-related sub-dials
    Uni-Compax has 2 sub-dials, only one of which relates to the chronograph (hence Uni), the other being running seconds
    And Tri-Compax, when it was (rarely) used had 4 sub-dials, one running seconds, 2 for the chronograph, and the fourth for date-moonphase

    So the Compax was considered by UG to be the 'normal' state of affairs wrt chronographs, with Uni being a simplification of it, and Tri being further complicated.

    Bi-Compax never existed, until modern hipsters, wanting to show they have some knowledge of chronograph heritage, starting trying to use the 80-year-old Compax terminology, and got it completely wrong.

    Remember, in 1936 when this was all invented, almost all watches had 1 sub-dial for running seconds, very few had centre seconds, so a running second sud-dial was considered normal, and not a complication at all.
    So,

    "Uni-Compax" = 1 sub dial chronograph related (two sub dials in total)

    "Compax" = 2 sub dials chronograph related (three sub dials in total)

    "Tri-Compax" = AGAIN 2 sub dials chronograph related? (four sub dials in total)

    Does the date & moonphase make the "Tri-Compax" a more complicated chronograph?
    Last edited by Artium; 15th September 2021 at 23:46.

  21. #71
    Quote Originally Posted by sweets View Post
    No, originally a Compax chronograph had 3 sub-dials, one of which is running seconds. So a Compax has 2 chronograph-related sub-dials
    Uni-Compax has 2 sub-dials, only one of which relates to the chronograph (hence Uni), the other being running seconds
    And Tri-Compax, when it was (rarely) used had 4 sub-dials, one running seconds, 2 for the chronograph, and the fourth for date-moonphase

    So the Compax was considered by UG to be the 'normal' state of affairs wrt chronographs, with Uni being a simplification of it, and Tri being further complicated.

    Bi-Compax never existed, until modern hipsters, wanting to show they have some knowledge of chronograph heritage, starting trying to use the 80-year-old Compax terminology, and got it completely wrong.

    Remember, in 1936 when this was all invented, almost all watches had 1 sub-dial for running seconds, very few had centre seconds, so a running second sud-dial was considered normal, and not a complication at all.
    Dave, thanks for that. It seems as clear as it ever will and I will not and never have used "compax" in any descriptions of any of my watches. As an aside, the Fortis Ducati (5100) edn chrono I bought from you on a very rainy day many years ago now resides in Texas with a Ducati enthusiast. We are both delighted with the outcome.

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  22. #72
    Master sweets's Avatar
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    Quote Originally Posted by Artium View Post
    So,

    "Uni-Compax" = 1 sub dial chronograph related (two sub dials in total)

    "Compax" = 2 sub dials chronograph related (three sub dials in total)

    "Tri-Compax" = AGAIN 2 sub dials chronograph related? (four sub dials in total)

    Does the date & moonphase make the "Tri-Compax" a more complicated chronograph?

    Think of the Compax being 2 complications, added on to the running second.

    Uni, one, for a single chronograph sub-dial (2 sub-dials in total)
    Compax is Compax, 2, both on the chrono (3 sub-dials in total).
    Tri, 3 has 3 complication sub-dials, 2 are on the chrono, one is calendar (4 sub-dials in total)

  23. #73
    Quote Originally Posted by sweets View Post
    Think of the Compax being 2 complications, added on to the running second.

    Uni, one, for a single chronograph sub-dial (2 sub-dials in total)
    Compax is Compax, 2, both on the chrono (3 sub-dials in total).
    Tri, 3 has 3 complication sub-dials, 2 are on the chrono, one is calendar (4 sub-dials in total)
    Thank you for your time.

  24. #74
    Craftsman
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    Ok. Second go at loading a picture. Hamilton 6bb 1972.


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  25. #75
    Master colin t's Avatar
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    I might have shared this before on this thread. If so, apologies, I lose track!


  26. #76
    Quote Originally Posted by colin t View Post
    I might have shared this before on this thread. If so, apologies, I lose track!

    No worries even if you have. Nice enough to be shared twice:-)

  27. #77
    Master
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    I've no idea what the actual definition should be but. Taking it as a watch with 2 sub dials, as opposed to the relatively common three, these are my contributions - all Panerai: two regatta timers 526 and 652, one 'basic' flyback 654 and a non- chrono, but two sub-dials, Equation of Time 670.

  28. #78
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    Quote Originally Posted by Boxsash View Post
    Ok. Second go at loading a picture. Hamilton 6bb 1972.


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    Glad you had another go at posting a picture. This one definitely does justice to your Hamilton. Lovely watch and great picture.

  29. #79
    Craftsman pepere13's Avatar
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  30. #80
    Journeyman
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    My 2010 Zenith EP Pilot..


  31. #81
    Grand Master JasonM's Avatar
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    I have a small group of 2 sub dial chronographs, 3 are variants of the Sekonda 3017 and the third is a V7733.
    Cheers..
    Jase

  32. #82
    Does this one count?

  33. #83
    Grand Master Mr Curta's Avatar
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    Quote Originally Posted by JasonM View Post
    I have a small group of 2 sub dial chronographs, 3 are variants of the Sekonda 3017 and the third is a V7733.
    A splendid sight!
    Don't just do something, sit there. - TNH

  34. #84
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  35. #85
    Master Geralt's Avatar
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    Uni-compax...


  36. #86
    Master sweets's Avatar
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    Quote Originally Posted by Geralt View Post
    Uni-compax...
    Bravo

  37. #87
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    Bi-compax ?

    Cheers,

    Ben



    ..... for I have become the Jedi of flippers


    " an extravagance is anything you buy that is of no earthly use to your wife "

  38. #88
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  39. #89
    Zifferblatt bicompaxen


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