What is in-spec for ETA 2836-2?

Thread: What is in-spec for ETA 2836-2?

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  1. #1
    Member WatchesinIL's Avatar
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    What is in-spec for ETA 2836-2?

    I have a Tissot Visodate with an ETA 2836-2 (non-chronometer) automatic movement. The watch is several years old, never been serviced. It is running about 25 seconds fast per 24 hours. Is this performance in spec? Its not really concerning to me, I am just curious. It seems to be stable...not getting any worse over the past month or two, and it is pretty consistent day in and day out. I am wearing the watch during the day. It rests flat at night.
    Last edited by WatchesinIL; 2 Hours Ago at 22:15.
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  2. #2
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    Re: What is in-spec for ETA 2836-2?

    That is out of spec for any grade ETA movement. It possibly requires adjustment or servicing, but there's another possibility that is quicker and cheaper than having a watchmaker open the watch. Demagetizers are found at very reasonable prices on ebay. If a magnetic field is the issue, it's easy to diagnose.


  3. #3
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    Re: What is in-spec for ETA 2836-2?

    IIRC, the 2836 is a 2824 base with day of the week added. This should mean its accuracy should be the same as the 2824.

    ETA 2892-A2 versus the 2824-2, 2892 vs 2824

    The chart therein is one we copy here with some frequency. :) And you can see why ChuckW made the 'any grade' comment...as a Top grade 2824 is actually quite a good movement.
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  4. #4
    Member WatchesinIL's Avatar
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    Re: What is in-spec for ETA 2836-2?

    If I am reading the chart correctly, "in-spec" for a standard grade 2824/2836 is +/- 12 seconds per day?

    Still not planning to do much about it. I can live with +25 seconds per day. I bought the watch used relatively cheaply, probably considerably less than a service. This satisfies my curiosity though
    Current Collection
    Hamilton Jazzmaster Day Date Auto - Black H32505731
    Tissot Visodate White/Silver - T019.430.16.031.01
    Bulova Moonwatch
    Seiko SNKN01

    Seiko 5 Automatic SNK807

    Former Collection
    Omega SMP 2551.80 (sold)
    Alpina Extreme Diver AL-240LBO3V6 (sold)


    "Time nor tide wait for no man"

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