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Help please: questions about older Seamaster

  1. Tako Yaki

    Tako Yaki Nov 16, 2020

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    Edited Nov 22, 2020
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  2. JimInOz Ω 2

    JimInOz Melbourne Australia Nov 16, 2020

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  3. Tako Yaki

    Tako Yaki Nov 16, 2020

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    Edited Nov 22, 2020
  4. ahsposo Ω 1

    ahsposo Most fun screen name at ΩF Nov 16, 2020

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    This is a link to approximate dates.


    You will need to take your fine old watch to a real watchmaker to have the back removed to see the serial number, the movement type number and the case reference number. Take pictures. Have the watch serviced if you want to wear it. Be sure to stress to the watchmaker - no polish on case, no improvement of dial.
     
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  5. Vitezi Ω 1

    Vitezi Nov 16, 2020

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  6. Tako Yaki

    Tako Yaki Nov 16, 2020

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    Edited Nov 22, 2020
  7. Rudi99

    Rudi99 Nov 17, 2020

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    Hi TakoYaki-san (nice name!) and welcome to the forum.

    There is a very easy way to find out if your movement is a full automatic or a bumper automatic.

    Shake the watch sideways to see if you hear the hammer of the bumper. If you do, it is a bumper automatic. If you do not, it is an automatic with a rotor that rotates 360 degrees and therefore does not hit anything on it's rotation. ;)

    Greetings from Berlin

    Rudi
     
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  8. Tako Yaki

    Tako Yaki Nov 17, 2020

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  9. gatorcpa Ω 2

    gatorcpa ΩF InvestiGator Staff Member Nov 17, 2020

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    Yes. Bumper movements from 1943 until 1956. Rotor movements introduced around 1954, depending on the model. Short overlap period where both were produced from 1954-1956.

    Your watch is probably a bumper movement. If properly lubricated, you may not feel the “bump”.

    The style on numerals on your watch is called “Breguet” and were popular around 1950 or so. The earliest Seamaster watches did not have “Seamaster” on the dial. Yours does, so it is a bit later than that. I think it is a US market piece, since dial says “Swiss” below 6 and not “Swiss Made”.

    Hope this helps,
    gatorcpa
     
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  10. Tako Yaki

    Tako Yaki Nov 17, 2020

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    Edited Nov 22, 2020
  11. Tako Yaki

    Tako Yaki Nov 18, 2020

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    Edited Nov 22, 2020
  12. gatorcpa Ω 2

    gatorcpa ΩF InvestiGator Staff Member Nov 18, 2020

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    MtnMarine and Rudi99 like this.
  13. Tako Yaki

    Tako Yaki Nov 18, 2020

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    Edited Nov 22, 2020