116610LN is running -2.5s / day

[Utomow]

After two years of use my subc date runs -2.5s/day. I know that according to COSC this is within the range however as per spec the sub-c date should be within -+2s/day.

Should I take it to RSC or is there any other remedy? I tried to put it with its dial facing up during night time for couple of days but no result.

[leooooo]

Not even worth selling. Just throw it away...


;) dont remedy anything and just enjoy the watch man

[dkg1616]

Originally Posted by leooooo

Not even worth selling. Just throw it away...


;) dont remedy anything and just enjoy the watch man

Yep it’s junk throw it out

[powerfunk]

Modern Rolexes don't really respond to the positions like old ones do. And...no I personally wouldn't take a watch to RSC for being 2.5 seconds slow.

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[kauffee]

Originally Posted by powerfunk

Modern Rolexes don't really respond to the positions like old ones do. And...no I personally wouldn't take a watch to RSC for being 2.5 seconds slow.

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Careful making such a blanket statement. I think a lot of people, myself included, would disagree with this based on our observations. Also, the 116610 is obviously a “modern” Rolex, but it’s 3135 movement was introduced in 1988.

[powerfunk]

Originally Posted by kauffee

Careful making such a blanket statement. I think a lot of people, myself included, would disagree with this based on our observations. Also, the 116610 is obviously a “modern” Rolex, but it’s 3135 movement was introduced in 1988.

It's well-known that the 3xxx calibers and up don't respond to the "bedside regulating" like the 15xx did

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[Houston77]

Originally Posted by powerfunk

It's well-known that the 3xxx calibers and up don't respond to the "bedside regulating" like the 15xx did

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Both my 114060 and DJ 41 respond to some degree to bedside regulating. It can make a big difference, especially with my 114060.

[jburson250]

Originally Posted by powerfunk

It's well-known that the 3xxx calibers and up don't respond to the "bedside regulating" like the 15xx did.

Very true. The 1560 in my Sub 5512 is very responsive to "positional regulation." The instructions supplied with it in 1966 explained how to do it. Images of this document have appeared in TRF posts, from time to time.

I've found all three of my newer watches (see sig) can be made to gain slightly - perhaps 0.5 - 1.0 sec if left dial down over approx. 10 hours. They'll respond similarly on my Orbita winder when placed in the cup, 12 o'clock down.

The Watchtime mag test of the SD43 (Dec. 2017 issue, page 114) shows WT's measured rate results in the six positions. Highest to lowest deviation was 4 sec. I read this review maybe a thousand times before I actually got the watch - it convinced me that "bedside regulation" was a thing of the past. But in fact, it still can produce limited but noticeable results.

As always, your results may vary.

[kauffee]

Originally Posted by jburson250

Very true. The 1560 in my Sub 5512 is very responsive to "positional regulation." The instructions supplied with it in 1966 explained how to do it. Images of this document have appeared in TRF posts, from time to time.

I've found all three of my newer watches (see sig) can be made to gain slightly - perhaps 0.5 - 1.0 sec if left dial down over approx. 10 hours. They'll respond similarly on my Orbita winder when placed in the cup, 12 o'clock down.

The Watchtime mag test of the SD43 (Dec. 2017 issue, page 114) shows WT's measured rate results in the six positions. Highest to lowest deviation was 4 sec. I read this review maybe a thousand times before I actually got the watch - it convinced me that "bedside regulation" was a thing of the past. But in fact, it still can produce limited but noticeable results.

As always, your results may vary.

Exactly, just because it doesn’t respond as much as the old movements doesn’t mean bedside regulation is a thing of the past. 4 second deviation is a big difference when Rolex guarantees to within a 4 second margin. Bedside regulation still works if you want to be OCD about the best daily rate.

[imgook]

Quite interesting. Cause my D500C gains a little placing it dial face up, and loses a bit resting sideways on crown overnight.

[WS9D]

Honestly, the .5 seconds a day is not worth taking it to RSC. Don’t worry about that .5 and just enjoy your Rolex. It’s a mechanical piece of art. Some variance is allowed imo.

[RHJ]

I would give your sub asylum here!

[SeaAndSky]

Look at it this way, op. COSC is within plus six seconds and minus four seconds per day. Your Submariner is well within those standards. Rolex may claim you can expect higher accuracy which is great! But until the watch dial is changed from a Swiss Chronometer to the new Rolex Independent Standard, or whatever else they may call it, then your watch is accurate and there really is no issue. Furthermore, based on my own experiences with my almost daily worn 116710, you may find the accuracy changes for the better like mine has. Or maybe for the worse as well. Mine started life at plus 2.3 seconds per day and has settled down to plus 1.1. Probably due to wear and a practically immeasurable change to viscosity of lubricants and their miniscule redistribution away from the point of initial application.

These things are amazing. I feel so fortunate to have been lucky enough and hard working enough to wear one. Enjoy yours. It’s accuracy is mind blowing if you really take the time to think about it.

[outtatime]

The real question is, back when the stated accuracy was -4/+6, would you have been OK with -2.5?

If the answer is yes, then I think you're fine. If no, then you'll probably never be happy with it and should have it regulated. But that's a lot of hassle and risk for -.5s/day.

[skiahh]

How in the heck do you measure .5 seconds per day accuracy???

[uniqueMR]

[dubins930]

no....

[flyingtiger85]

How do you know that you accurately calculated it to 2.5 seconds per day. Even a small margin for error would have you in line with Rolex standards. If you can’t live with a 1 min change in time per month you should buy an Iwatch

[Utomow]

Originally Posted by flyingtiger85

How do you know that you accurately calculated it to 2.5 seconds per day. Even a small margin for error would have you in line with Rolex standards. If you can’t live with a 1 min change in time per month you should buy an Iwatch

I baseline it with time.is for duration of two days multiple times and I constantly 5 seconds behind.

[Psijason]

You are getting great time. Don't worry about it and enjoy your watch.

[MinMay]

for .5 secs difference? At the end of the day, it's up to you. If you're annoyed by it, then get it serviced. Some people cares about accuracy...some people don't care even +- 1 min. I want it to be 0 secs :)

[toolr]

Try setting it crown up when not wearing it. I keep mine in a winder and it runs about -2spd crown right and +1spd crown up.

[JP(Canada)]

Only you know the answer. I wouldn't listen to anyone else on this. The bottom line is that if it bothers you, then you should take it in. My experience with Rolex is that they'll happily adjust it for you to run on the plus side.

[jlafou1]

I wouldn’t fret about it. If it was me I would set the watch 30 seconds ahead and after two weeks it would be roughly spot on and another 2 weeks later it would be half minute slow.

[Dominik]

Don't worry, be happy!

[samson66]

25 seconds, yes take it to RSC. 2.5 seconds??? Uh no...

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[beshannon]

Originally Posted by Utomow

After two years of use my subc date runs -2.5s/day. I know that according to COSC this is within the range however as per spec the sub-c date should be within -+2s/day.

Should I take it to RSC or is there any other remedy? I tried to put it with its dial facing up during night time for couple of days but no result.

I would not as that is excellent accuracy

[Rashid.bk]

.5 seconds.....no.
First, make sure it's completely wound. I wind mine all the way every time I have to reset the date. Is you're watch a green seal watch, which guarantees the new standard?
Also, .5 seconds on Time.is can be the result of internet connection. When I want to spazz out and measure, I use multiple sources....my quartz Suunto, internet resource, atomic tuned watch and if you want to be sure pass by an AD to measure it's rate on that machine(I don't know the name of).
If we round up your 2.5 seconds up to be extreme...then it's losing 3 seconds a day and would be a little off but measuring over an average of two days isn't enough data to convince me that my watch has a problem.

Mechanical watches can be affected by many things, to include activity. I find that my watches run a bit fast when I'm running around all over the place.
With that in mind you said "after two years", which means it was fine and now over just two days it's deviated...I'd collect more data and try some trouble shooting first because if it bothers you that much it is very difficult to regulate a watch for .5 seconds...it may come back too fast....or worst, slower, and then there's all the time you'll be without it.
You may need a quartz if .5 seconds bothers you.

[hai.tranhr]

How you count it? I have no idea how to measure it.


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