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My Speedmaster is running strangely.

ninman
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So I've had my 3861 Speedmaster for around 6 months. When I first got it it would consistently run at around 3 seconds per day, which is very good. However, I've noticed lately that on some days, like maybe once a week, or once every two weeks, it'll run at around 6-8 seconds per day. I have no idea why.

Is that sort of thing normal, or is it something I should worry about? What might be causing it run much faster on certain days, but not other days? Should I send it back to Omega to get it checked over?

Thank you.
 
YY77
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Did you wind it daily at the same time?
 
ninman
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YY77 YY77
Did you wind it daily at the same time?

Yes, every morning when I get up.
 
YY77
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How can you be sure your daily rythm is the same to previous weeks?

I would check by winding it in the morning, leave it dial up for 24 hours, time it, wind it and do the same for the next 5 days in dial down, 12 up, 9 up, 6 up, 3 up how the gain and loss is to see its actual behaviour.
 
ninman
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Well for the first 3 or 4 months I had it, it would consistently gain 3 seconds a day, regardless of what I did every day. My routine is pretty consistent, I spend most of my day in the house, and once a day go out to walk 10 thousand steps.
 
YY77
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Testing it like I suggested would give you a result which may or may not be necessary tfpr you o send it to Omega.
 
D
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It sounds like it's well within spec regardless.
What you're experiencing is to be expected with a mechanical movement. With the infrequent gains in time, It would be almost impossible to get anyone at all to play with it and try and make it better somehow for fear of making things worse.
The problem is it would be very hard to replicate and it's running within spec anyway.

Things like this happen👍
Enjoy it for what it is😉
 
D
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YY77 YY77
How can you be sure your daily rythm is the same to previous weeks?

I would check by winding it in the morning, leave it dial up for 24 hours, time it, wind it and do the same for the next 5 days in dial down, 12 up, 9 up, 6 up, 3 up how the gain and loss is to see its actual behaviour.

There's no point chasing the thing all over the place. Unless you are inferring he should pursue some simple self regulation?

The actual behavior is how it's performing on the wrist with consistent wearing habits.
He's winding it up fully every morning so that part of it is all good👍

There's no point complicating his ownership experience when he probably ought to be happy😀
 
YY77
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D Duckie
There's no point chasing the thing all over the place. Unless you are inferring he should pursue some simple self regulation?

The actual behavior is how it's performing on the wrist with consistent wearing habits.
He's winding it up fully every morning so that part of it is all good👍

There's no point complicating his ownership experience when he probably ought to be happy😀
Well, 6 to 8 sec gain as he stated he's now experiencing is not in spec for a METAS movement, my test would simply show what every position deviation would have and whether it would be in spec or not.
 
ninman
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I tried leaving it for 24 hours face up and it gained 6 seconds.
 
ninman
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So I had a quick look at the master chronometer certification, and this test:

DEVIATION OF CHRONOMETRIC PRECISION IN SIX POSITIONS

Is given a tolerance of 0-12 seconds per day. So maybe if my watch is occasionally gaining 6-8 seconds a day, that's well within its normal specifications?
 
Dan S
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ninman ninman
So I had a quick look at the master chronometer certification, and this test:

DEVIATION OF CHRONOMETRIC PRECISION IN SIX POSITIONS

Is given a tolerance of 0-12 seconds per day. So maybe if my watch is occasionally gaining 6-8 seconds a day, that's well within its normal specifications?

The minor deviations are likely due to some conditions that just vary a bit from the norm. For example, maybe you leave the watch resting in a different position than usual, etc.
 
Archer
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ninman ninman
So I had a quick look at the master chronometer certification, and this test:

DEVIATION OF CHRONOMETRIC PRECISION IN SIX POSITIONS

Is given a tolerance of 0-12 seconds per day. So maybe if my watch is occasionally gaining 6-8 seconds a day, that's well within its normal specifications?

Yes
 
the_drunk_dial
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There is no need to do all these week-long experiments with winding and timing. Simply take to an AD, and they will hook it up to a machine while you try on some watches. The process takes a few minutes and they will tell you exactly how accurate it’s running.
 
Foo2rama
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D Duckie
There's no point chasing the thing all over the place. Unless you are inferring he should pursue some simple self regulation?

The actual behavior is how it's performing on the wrist with consistent wearing habits.
He's winding it up fully every morning so that part of it is all good👍

There's no point complicating his ownership experience when he probably ought to be happy😀

but it could actually be in spec. He gave the correct Information . You need to see behavior in all positions then take an average. That is the metas spec. Then you can look at a warranty regulation.
 
D
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the_drunk_dial the_drunk_dial
There is no need to do all these week-long experiments with winding and timing. Simply take to an AD, and they will hook it up to a machine while you try on some watches. The process takes a few minutes and they will tell you exactly how accurate it’s running.

Yes, there is that.
I suppose it depends upon how convenient it would be for the OP.
They may want to keep it for longer just as a little disincentive, then say it's ok. You know, just to make sure it's normal.
My guess is they will say it's running within specs either way and happily send the OP on their way.

Personally I wouldn't be too concerned with the way the watch is currently going and it's gaining time which is very manageable with a hacking movement. For all we know it could even stop that behaviour of its own accord.
I wonder if it was left to run down to a stop then given a full wind on the odd occassion whether it would return to old habits👎
It couldn't hurt in the interim. If afterward it was running worse still, it could be enough to get Omega to tackle it in earnest😉
 
ninman
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Yeah, I mean honestly, normally I wouldn't care about it, because it's running far better than any mechanical watch I've owned previously. It's just because it was running at around +3s/d, very consistently, and then suddenly it's getting like +8s/d, but only on odd days, that makes me think something might be wrong with it.

I'm very used to mechanical watches though, and I've had watches in the past that ran at +15s/d, and things like that, so it's still running very well, but it's the inconsistency that's sort of causing me a bit of concern.
 
the_drunk_dial
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D Duckie
Yes, there is that.
I suppose it depends upon how convenient it would be for the OP.
They may want to keep it for longer just as a little disincentive, then say it's ok. You know, just to make sure it's normal.
My guess is they will say it's running within specs either way and happily send the OP on their way.

What AD do you go to that treats you this way? There is no need to keep it any longer than five minutes.
 
Archer
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ninman ninman
Yeah, I mean honestly, normally I wouldn't care about it, because it's running far better than any mechanical watch I've owned previously. It's just because it was running at around +3s/d, very consistently, and then suddenly it's getting like +8s/d, but only on odd days, that makes me think something might be wrong with it.

I'm very used to mechanical watches though, and I've had watches in the past that ran at +15s/d, and things like that, so it's still running very well, but it's the inconsistency that's sort of causing me a bit of concern.

Unless you are tracking your wearing habits very closely, and ensuring that you wear the watch in the various positions it is in the same amount of time each day, there will be variations in timing. If you happen to have a day where the watch spends more time in a fast position than it normally does, the watch will run fast. There's nothing you have described so far that would indicate that there is anything wrong with the watch - this is all perfectly normal.
 
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