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Gotham777 · 28 February 2019, 12:57 PM

Hi, I saw Bas posted the after sales rate tolerances for several models. They are very useful and interesting... thank you!
I did not see however the 3186 movement listed. Is this info available for the 3186? I am mainly looking for the first and second criterion rates.

The 3187 is listed which I have in my Explorer II and I would like to compare it to the 3186 in my GMT Master II. Thank’s in advance. Best regards!

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SearChart · 28 February 2019, 03:48 PM

This is also for tolerance for the 3186, it counts for every caliber in between 3130 and 3187.

Gotham777 · 28 February 2019, 09:52 PM

Outstanding! Great. Thank you so much.

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brandrea · 28 February 2019, 09:54 PM

Quote:

Originally Posted by SearChart

This is also for tolerance for the 3186, it counts for every caliber in between 3130 and 3187.

Gotham777 · 28 February 2019, 11:16 PM

The reason I ask is because my 3186 from 2018 is not as “tight” in the first criterion as my 3187 (2016).
My 3187 has a variance between positions of 6 but the 3186 had a variance of 11 before regulation but now is down to 8 after regulation by a RSC. Very happy with this result. Amazed at how tight the 3187 is!

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SearChart · 1 March 2019, 04:55 AM

Quote:

Originally Posted by Gotham777

The reason I ask is because my 3186 from 2018 is not as “tight” in the first criterion as my 3187 (2016).
My 3187 has a variance between positions of 6 but the 3186 had a variance of 11 before regulation but now is down to 8 after regulation by a RSC. Very happy with this result. Amazed at how tight the 3187 is!

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An 11 second delta is not unusual for a 31×× caliber but it is indeed not as tight as it should be, even though it is within spec.

If it can't be regulated properly and keeps a larger delta then I'd recommend dynamic poising as the balance wheel might be slightly 'off balance''.

Gotham777 · 1 March 2019, 06:51 AM

Ok. Thank you Bas. I will keep an eye on it, and will add “dynamic poising”to my limited horological vocabulary. Thank you for your expertise and quick replies. Best regards!
Martin.

28 February 2019, 12:57 PM	#1
Gotham777 "TRF" Member Join Date: Jun 2018 Location: Where needed Posts: 69	After sales rate tolerance for 3186? Hi, I saw Bas posted the after sales rate tolerances for several models. They are very useful and interesting... thank you! I did not see however the 3186 movement listed. Is this info available for the 3186? I am mainly looking for the first and second criterion rates. The 3187 is listed which I have in my Explorer II and I would like to compare it to the 3186 in my GMT Master II. Thank’s in advance. Best regards! Sent from my iPhone using Tapatalk

28 February 2019, 09:52 PM	#3
Gotham777 "TRF" Member Join Date: Jun 2018 Location: Where needed Posts: 69	Outstanding! Great. Thank you so much. Sent from my iPhone using Tapatalk

28 February 2019, 11:16 PM	#5
Gotham777 "TRF" Member Join Date: Jun 2018 Location: Where needed Posts: 69	The reason I ask is because my 3186 from 2018 is not as “tight” in the first criterion as my 3187 (2016). My 3187 has a variance between positions of 6 but the 3186 had a variance of 11 before regulation but now is down to 8 after regulation by a RSC. Very happy with this result. Amazed at how tight the 3187 is! Sent from my iPhone using Tapatalk

1 March 2019, 06:51 AM	#7
Gotham777 "TRF" Member Join Date: Jun 2018 Location: Where needed Posts: 69	Ok. Thank you Bas. I will keep an eye on it, and will add “dynamic poising”to my limited horological vocabulary. Thank you for your expertise and quick replies. Best regards! Martin.

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