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Thread: 7t27 ym57a

  1. #1

    7t27 ym57a

    Hello. For some years I have owned and considered repairing a seiko 7t27-7a20 chronograph (time works, chronograph didn't) but found the price prohibitive.
    I have recently found that shiojiri or Epson movements can replace the 7t27, specifically the ym57a movement. I wondered if anyone had pursued this, or if anyone has a broken 7t27 if they would be interested in splitting shipping costs on movements. How much it how difficult is it to switch a quartz movement?

  2. #2
    Master
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    I recently purchased one of these very movements for my Gen 2 chrono from a guy on the bay. The only small issue was that the date wheel is white and not black like the original.

    Before going down the e-bay route I called Seiko who informed that if I wanted a full service to the watch they would charge me 150 inc postage. Where as I paid 60 the NOS movement and 20 for it to be fitted and the only thing wrong with old movement is that the 24 hour sub dial had died .

  3. #3
    Quote Originally Posted by MADDOG View Post
    I recently purchased one of these very movements for my Gen 2 chrono from a guy on the bay. The only small issue was that the date wheel is white and not black like the original.

    Before going down the e-bay route I called Seiko who informed that if I wanted a full service to the watch they would charge me 150 inc postage. Where as I paid 60 the NOS movement and 20 for it to be fitted and the only thing wrong with old movement is that the 24 hour sub dial had died .
    Thanks for your post. I had not thought about the date wheel colour. I suppose a date wheel swap is possible but adds cost.

    Would you mind sharing who swapped the movement for you?

  4. #4
    Master
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    Quote Originally Posted by ernestrome View Post
    Thanks for your post. I had not thought about the date wheel colour. I suppose a date wheel swap is possible but adds cost.

    Would you mind sharing who swapped the movement for you?

    I don't mind at all. The work was carried out by RV Ralph in Uxbridge. He is also on facebook.

  5. #5
    Thanks, I'll look him up when i get a movement.
    Found the movements at a good price in Belgium (Justtime)and the USA. Can't get a response from the Belgians unfortunately. Does anyone have an account at justtime?
    Last edited by ernestrome; 19th May 2017 at 18:26.

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