Daytona Time Keeping Accuracy

[BrianRolex]

Has anyone else experienced the watch keeps perfect time when the chronograph is NOT running continuously. When I start the chronograph and leave it on I lose at least 3 mins or so a week.

Please don't question my sanity for keeping it on... It was a choice and now I don't leave it on. Time now is perfect and it doesn't wind itself down in about 2 weeks.

[Tools]

You do not get something for nothing in this world, it's basic physics.

Add more work (running the chrono), and you will affect both the power and timing to some extent.

If things ran on magic, perhaps; but they don't.

[ArtNouveau]

My 6 month old 116500 has incredible accuracy. I do not run the chrono unless I'm actually timing something.

[marc2828]

Originally Posted by Tools

You do not get something for nothing in this world, it's basic physics.

Add more work (running the chrono), and you will affect both the power and timing to some extent.

If things ran on magic, perhaps; but they don't.

this made me laugh. funny cause it is true.

[Yess]

Seems to make sense.
I also feel that in general, Rolex keep best time when fully wound. This also makes sense.

[trfChris]

Originally Posted by Tools

You do not get something for nothing in this world, it's basic physics.

Add more work (running the chrono), and you will affect both the power and timing to some extent.

If things ran on magic, perhaps; but they don't.

You don’t think -25s per day with the chrono running indicates something is wrong? Definitely sounds to me like something is weird there, I would take it to AD or call RSC.

[csaltphoto]

Originally Posted by trfChris

You don’t think -25s per day with the chrono running indicates something is wrong? Definitely sounds to me like something is weird there, I would take it to AD or call RSC.

Unless the "superlative chronometer" rating comes with a qualifier or something regarding running the chrono function. Honestly I would expect the time keeping to stay within spec. That is it's primary purpose after all. Does the Daytona handbook say anything about the chrono affecting time keeping?

[stainlesssteve]

My 116500 is at the RSC right now for this exact problem. I started seeing 10-15 min + a day variance with chrono running. To this point it has kept time within spec with the chrono running. Mine was one of the very first 116500s delivered and so it makes me wonder if this will be a common problem as these watches age. Fortunately still under 5 yr warranty...

[Largoshark]

Originally Posted by stainlesssteve

My 116500 is at the RSC right now for this exact problem. I started seeing 10-15 min + a day variance with chrono running. To this point it has kept time within spec with the chrono running. Mine was one of the very first 116500s delivered and so it makes me wonder if this will be a common problem as these watches age. Fortunately still under 5 yr warranty...

The Daytona has been using the same movement since long before the 116500 was introduced. If this was a common flaw in the 4130, it probably would have come to light a while ago. Then again, I doubt many owners run the chrono continuously, so you never know...

[TswaneNguni]

I have never used the chrono on a Daytona.

Most accurate watch I have owned was a white dial previous generation Daytona ..it was literally running zero .

[A.I.]

Accuracy is an unbelievable less than +1/month. My Daytona has a chrono?

[Mystro]

My Omega Planet Ocean Chronograph with the 9900 movement doesn’t change its accuracy at all with the Chrono running or not. I ran it on the timeograph to check different positions with the Chrono running or not and no difference and the amplitude is high and solid. Once again this shows the superiority of dual barrel mainsprings. I will let my Chrono run for weeks just to see the larger sweeping second hand.

[ec00421]

I run chrono on my 116500’s most of the time continuously and have absolutely no issues with time keeping.

[amanbra]

I get more accuracy with it running about +3-4 not running about +2 with it running.


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[Onequik135i]

I never use it on mine & runs +4 per day.

[stainlesssteve]

Originally Posted by Largoshark

The Daytona has been using the same movement since long before the 116500 was introduced. If this was a common flaw in the 4130, it probably would have come to light a while ago. Then again, I doubt many owners run the chrono continuously, so you never know...

Thats true. My 116520 never had the problem. But it is a watch named after a 24 hour endurance race. The chrono is intended to be run continuously for over 24 hours without affecting the accuracy.


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[schoolboy]

I don’t think running the chrono continuously is supposed to affect time keeping that badly

Why not get it checked out at the AD?


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[BrianRolex]

I think it's fine. I assumed it was not meant to run both continuously after experiencing the loss over two weeks. Thanks for all the answers from people who chose just to answer and not make it a "you are stupid" response. As you can see some people, at least one, had it run continuously with no loss.

Day five and it's keeping perfect time, no chrono. Nearly to the second.

[amanbra]

Originally Posted by BrianRolex

I think it's fine. I assumed it was not meant to run both continuously after experiencing the loss over two weeks. Thanks for all the answers from people who chose just to answer and not make it a "you are stupid" response. As you can see some people, at least one, had it run continuously with no loss.

Day five and it's keeping perfect time, no chrono. Nearly to the second.

I've run it continuously for a 1 month once tracking a different timezone. I think it's fair to say that running it does slow the watch a tad but as mine was running +4ish it only made it more accurate unlike yours where it's bang on without it running.

[BrianRolex]

cool thanks

[Robf52]

Originally Posted by marc2828

this made me laugh. Funny cause it is true.

+1.

[lamnyc]

My watch is a chronograph? Sorry. I have never used my chronograph at all. The longest it ever ran was maybe a few hours when I first got it. Otherwise, it’s about +1 or 2 seconds d a day.