8 week break in period - is it a myth?

Poll: Do Sinn watches really need a break-in period?

Thread: 8 week break in period - is it a myth?

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  1. #1
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    8 week break in period - is it a myth?

    I'm skeptical! Is this only a Watchbuys recommendation or does Sinn endorse this for watches outside the USA.

    Please share your experiences with your new Sinn watches. Did the timekeeping really settle down after several weeks of wear?

  2. #2
    Member watchhunter72's Avatar
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    Re: 8 week break in period - is it a myth?

    Hello t3hte, while I haven't heard of this officially from Sinn and most of my Sinns have been second hand purchases, I indeed have noticed quite a lengthy break-in period for the one Sinn that I have bought new from the factory. I can't recall exactly how many weeks, but surely more than one month. And it did run quite fast in that period.
    Cheers
    Fabrizio

  3. #3
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    Re: 8 week break in period - is it a myth?

    If it was another company I would share your skepticism but Sinn is a very well trusted GERMAN company! They tend to be very strict and serious about their products!

    Kind regards,
    Nikos.

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  5. #4
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    Re: 8 week break in period - is it a myth?

    You want to take a look at pictures of metal surfaces (even highly polished) under the microscope.

  6. #5
    Administrator CMSgt Bo's Avatar
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    Re: 8 week break in period - is it a myth?

    Don't take WatchBuys word for it, do a Goggle search for "mechanical watch break in period" an see what the rest of the WIS world has to say about it.

    For me all of my COSC Certified watches and one Doxa were good out of the box. One of my Doxa T-Graphs was dead on for the first 9 months of constant wear. Everything else was fast and settled down after a month or two of constant wear. My German Watchmaker told me a slow watch will never get faster no matter how long you let it break in.

  7. #6
    Member Fantasio's Avatar
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    Re: 8 week break in period - is it a myth?

    My U2 was straight out of the box around +2 to +4 secs/day.

    After one month it was -1 to +1 secs/day.

    After two months it was -2 to 0 secs/day.

    After three months it was -4 to -2 secs/day.

    After four months it was -6 to -4 secs/day.

    Then I sent it to Sinn for warranty regulation, +2 to +6 secs/day ever since. Based on that, I'd say it had its' break in period.

  8. #7
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    Re: 8 week break in period - is it a myth?

    My experience with ETA-based watches is that that they do slow down a bit over the course of a few months. Not a lot, maybe 2-4 seconds per day. For me, therefore, a bit fast out of the box is good.

    John

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