How accurate is your Sinn 104?
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  1. #1
    Member Earthjade's Avatar
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    How accurate is your Sinn 104?

    So I got a brand new factory-fresh Sinn 104 on Monday and I have been timing it on WatchCheck for the past few days. It's running at +11 secs a day on average with full to near-full wind..
    I'm disappointed.
    For a movement that is meant to be a Top grade SW200-1, Sellita specifies their average rate for this movement at -/+ 4 seconds a day, which is what I expected.
    I know some of you will say "give it time to break in" but to be honest, I've owned a dozen automatics and the general rate I get a few days out of the box is the rate they stay at. Never had a watch that "broke in" and if watches did have to break in, then that would essentially destroy the COSC system (so I take it to be a fiction or so insignificant as to not have an effect on a watch's out of the box, full-wind accuracy).
    Last edited by Earthjade; December 20th, 2018 at 02:42.

  2. #2
    Member grifball's Avatar
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    Re: How accurate is your Sinn 104?

    IIRC, my 104 was running about +6s/day. Looks like I deleted that measurement.

    Sent from my ONEPLUS A6003 using Tapatalk

  3. #3
    Member Geof3's Avatar
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    Re: How accurate is your Sinn 104?

    Watches bouncing around in transit can mess with timing a bit. I would give it a few weeks, see if it settles. If not, it should not be very inexpensive to have it regulated at a watchmaker. Or, you could send it in for warranty regulation.
    Dan Pierce likes this.
    Too many flipped...

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  5. #4
    Member sarbmaster's Avatar
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    Re: How accurate is your Sinn 104?

    mine has been incredibly precise (little deviation day to day)
    Started +11 and is now +4 after the advertised break in period. Would like it a bit better, but +4 isn't so bad.
    Earthjade likes this.

  6. #5
    Member efawke's Avatar
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    Re: How accurate is your Sinn 104?

    All of my new watches have had a break-in period. Those have included Seiko 7s26, 4r36, and 6r15, ETA 2824-2, and Sellita SW200-1. Break-in is very real.

    Also, I know it might be disappointing that your Sinn is running +11 s/d, but regulating movements is very easy. Iím not a watchmaker, and Iíve successfully regulated several of mine using a basic iPhone app. Iím wearing a 2824-2 right now that I regulated in about 15 minutes and is now running +0.8 s/d.

    Wear the watch everyday for a few weeks and see if it settles in. If not, have it regulated and you shouldnít have any issues getting it to run within COSC.


    Sent from my iPhone using Tapatalk

  7. #6
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    Re: How accurate is your Sinn 104?

    To be honest, I'm disappointed with the accuracy of my 104.

    After 10 weeks I sent it back to Sinn. They checked it because it was too fast (plus 8) not wearing it. And it ran slwoer and slower while on the wrist.

    Got it back and now runs +4 - +6.
    Still not great, in my opinion.

    Considering: My a lot cheaper Orient Mako 2 runs a steady +4 since the day I got it and an even cheaper Vostok Amphibia runs +5 (unregulated)

    I have a Breitling Blackbird with a steady +1.8 a day, but different price category.

    My UX, however, does around +3 since I got it in May.

  8. #7
    Member Dan Pierce's Avatar
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    Re: How accurate is your Sinn 104?

    More important than the rate is consistency. If a watch ran a consistent +11 per day, not only can it be regulated closer to 0 but it also exemplifies a well made movement working as it should.
    dP

  9. #8
    Member Geof3's Avatar
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    Re: How accurate is your Sinn 104?

    Quote Originally Posted by Topdude View Post
    To be honest, I'm disappointed with the accuracy of my 104.

    After 10 weeks I sent it back to Sinn. They checked it because it was too fast (plus 8) not wearing it. And it ran slwoer and slower while on the wrist.

    Got it back and now runs +4 - +6.
    Still not great, in my opinion.

    Considering: My a lot cheaper Orient Mako 2 runs a steady +4 since the day I got it and an even cheaper Vostok Amphibia runs +5 (unregulated)

    I have a Breitling Blackbird with a steady +1.8 a day, but different price category.

    My UX, however, does around +3 since I got it in May.
    Sorry, but you seriously sent your watch back to Sinn for +4? The 104 isn’t a certified chrono. Nothing at all wrong with that. A UX has a certified quartz movement and the specs on that are crazy tight.
    Too many flipped...

  10. #9
    Moderator Emeritus Bradjhomes's Avatar
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    How accurate is your Sinn 104?

    Quote Originally Posted by Geof3 View Post
    Sorry, but you seriously sent your watch back to Sinn for +4? The 104 isnít a certified chrono. Nothing at all wrong with that. A UX has a certified quartz movement and the specs on that are crazy tight.
    Thatís now what he said. In the OP he said it was +11 so sent it to Sinn.

    When he sent it in it was +8.

    Now itís back itís +4 to +6 though heís still not overly happy.
    Geof3 likes this.
    Brad (@bradwatch)
    - appreciating fine affordable watches since 2011



  11. #10
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    Re: How accurate is your Sinn 104?

    I am pretty sure sinn uses the eta elabore grade, which is adjusted in three positions CH, 6H, 9H, daily mean rate of +- 7 sec/day, isochronism of +- 15 sec/day and max variation of 20s. So the OPs watch is technically inspec. This is no chronometer grade movement. The eta top grade movement is one grade higher than the elabore and specs are as follows: adjusted in five positions CH, FH, 6H, 9H, 3H, daily mean rate of +- 4 sec/day, isochronism of +- 10 sec/day and max variation of 15s. Anything better is COSC specs which demands a premium price.

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