Smooth sweep second hands

Thread: Smooth sweep second hands

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  1. #1
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    Smooth sweep second hands

    Recently I have been drawn to the smoother sweep second hands. I know about the Accutrons but I am more interested in the mechanical movements. Are the GP Gyromatics all high-beat movements? What are your thoughts on them and what other high-beat options from the 1960's and 1970's are out there?

  2. #2
    Zenith Forum Co-moderator
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    Re: Smooth sweep second hands

    I don't think that the earliest Gyromatics were 5 Hz (=36000 A/h). Alternatives? The Zenith "El Primero", of course! Other than that, go to Ranfft's pink pages, do a search for "36000" and see what comes up:

    bidfun-db Archiv: Uhrwerke

    Hartmut Richter

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    Re: Smooth sweep second hands

    Quote Originally Posted by phillips667 View Post
    Are the GP Gyromatics all high-beat movements?
    No, as Hartmut mentioned the early ones were not. The 36,000 bph GP's weren't available to the public until 1966.

    Quote Originally Posted by phillips667 View Post
    What are your thoughts on them and what other high-beat options from the 1960's and 1970's are out there?
    Longines, Seiko, Felsa, Zodiac, and Zenith plus a couple other companies offered 36,000 bph watches from the late 60's into the early/mid 70's. Zenith still does.

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  5. #4
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    Re: Smooth sweep second hands

    The early Gyromatics were not 36.000 bph, as Hartmut writes, and neither all of the later ones. The watches should carry a "HF" in the name.

    Here You will find more information, too:

    The 36000 BPH Watch Collectors Site - Welcome to 36000BPH.com

    I do have Zodiac:



    Honestly, it makes me nervous. I do prefer a slower tictac to this machine gun.

  6. #5
    Member AbslomRob's Avatar
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    Re: Smooth sweep second hands

    Mechanical logic tells you that a watch that beats twice as fast as a conventional watch is going to wear out twice as fast, and need to be serviced more often.
    My growing collection of "affordable" vintages: http://www.abslomrob.com

  7. #6
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    Re: Smooth sweep second hands

    Youtube soundtrack please. I have never heard one

    Yes, nervous, not surprising. I would be too. Although I am not sure it is a rational fear.

  8. #7
    Mod. Russian, China Mech. Chascomm's Avatar
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    Re: Smooth sweep second hands

    Quote Originally Posted by ulackfocus View Post
    Longines, Seiko, Felsa, Zodiac, and Zenith plus a couple other companies offered 36,000 bph watches from the late 60's into the early/mid 70's. Zenith still does.
    And if you are prepared to accept and electrically-driven balance wheel (and why not?) then you can add Citizen (their fastest was 43,200bph) and Shanghai 6th Watch Factory (formerly Haiyuan ballpoint pen factory), both from the 1970s.
    Chascomm
    Moderator, Russian Watches & Chinese Mechanical Watches Forums
    (no, I am not going to list all my watches here)

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