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Ilushka85 · 6 March 2019, 05:30 AM

Brand new... getting +4 278 amplitude and .5 beat error.

Is this normal in face up?

Also what is lift angle for a sky dweller?

mnbookman · 6 March 2019, 05:31 AM

That beat error is in the high side but within spec.

Rate in one position tells you nothing.

Ilushka85 · 6 March 2019, 05:32 AM

What about amplitude? On lower side but within spec?

Clowkoy · 6 March 2019, 05:36 AM

I’m not an expert but I have a 3 year old 116520 that is 0 to +1/day accurate with same amplitude as yours but only 0.1ms max beat error in any position.
Your beat error is a little bit high.

Sent from my iPhone using Tapatalk

mnbookman · 6 March 2019, 05:45 AM

Quote:

Originally Posted by Ilushka85

Brand new... getting +4 278 amplitude and .5 beat error.

Is this normal in face up?

Also what is lift angle for a sky dweller?

That amplitude is on the low side for a new watch.

However your best bet to see if it is a problem is to wear it for a day and set it down in a safe place and then see how long the power reserve is.

Ashton_Horologist · 6 March 2019, 10:57 AM

Your amplitude is fine, your best error is in tolerance and and timing results are also fine. Beat error has a tolerance for a reason, same as amplitude and timing.

Now, when you go to a good independent watchmaker he should take the time to put everything as close to perfect as possible.

You know Rolex churn a million of these out a year right?

SearChart · 6 March 2019, 04:33 PM

Quote:

Originally Posted by Ashton_Horologist

Your amplitude is fine, your best error is in tolerance and and timing results are also fine. Beat error has a tolerance for a reason, same as amplitude and timing.

Now, when you go to a good independent watchmaker he should take the time to put everything as close to perfect as possible.

You know Rolex churn a million of these out a year right?

Agreed, amplitude is fine.

This check was probably done on a cheap timegrapher with the movement inside the case, I bet that the beat error is lower when it is outside of the case and on a Witschi.

Why would one buy a timegrapher if all it makes you do is worry about things you do not fully understand?

6 March 2019, 05:30 AM	#1
Ilushka85 "TRF" Member Join Date: Oct 2017 Location: Chicago Posts: 13	Brand New Daytona - Time Grapher Brand new... getting +4 278 amplitude and .5 beat error. Is this normal in face up? Also what is lift angle for a sky dweller?

6 March 2019, 05:36 AM	#4
Clowkoy "TRF" Member Join Date: Jul 2016 Location: USA Posts: 20	Brand New Daytona - Time Grapher I’m not an expert but I have a 3 year old 116520 that is 0 to +1/day accurate with same amplitude as yours but only 0.1ms max beat error in any position. Your beat error is a little bit high. Sent from my iPhone using Tapatalk

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6 March 2019, 05:31 AM	#2
mnbookman "TRF" Member Join Date: Oct 2014 Posts: 79	That beat error is in the high side but within spec. Rate in one position tells you nothing.

6 March 2019, 05:32 AM	#3
Ilushka85 "TRF" Member Join Date: Oct 2017 Location: Chicago Posts: 13	What about amplitude? On lower side but within spec?

6 March 2019, 10:57 AM	#6
Ashton_Horologist "TRF" Member Join Date: Jan 2019 Real Name: Ashton Tracy Location: Ottawa, Canada Watch: 1680 Posts: 287	Your amplitude is fine, your best error is in tolerance and and timing results are also fine. Beat error has a tolerance for a reason, same as amplitude and timing. Now, when you go to a good independent watchmaker he should take the time to put everything as close to perfect as possible. You know Rolex churn a million of these out a year right?

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