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chasse · 14 July 2012, 06:33 AM

Hi,

I went to a local AD and confirmed that the latest Aqua Terra 38.5mm has the Si Spring. I witnessed that on the ownership card and also by looking at the PVD balance wheel.

In tiny white letters I could just barely make out the "Si". Keep in mind that there are 2 versions of the AT 8500 with different model numbers.

If you are in the market for the AT, I would highly suggest you insist on looking at the ownership card for the symbol and matching it against the serial on the back. Finally, pull the crown to stop the balance wheel and depending on how young your eyes are (otherwise bring a loupe), you should be able to just catch the Si symbol depending on where the balance wheel positioned itself.

Current 2012 list price: $5600

It's disappointing that Omega has quietly upgraded there models.

clarusen · 17 July 2012, 12:35 AM

actually, some watches' warranty card do not show Si14. I think the only way is to check the balance!!!

Why omega makes the thing difficult? Is there any problem with silicon hairspring? Any ideas?

KatGirl · 17 July 2012, 02:45 AM

Quote:

Originally Posted by clarusen

actually, some watches' warranty card do not show Si14. I think the only way is to check the balance!!!

Why omega makes the thing difficult? Is there any problem with silicon hairspring? Any ideas?

The Silicon hairspring is, presumably, an improvement over a metal hairspring. With the looming price increase, I wasn't willing to wait for an AT with it, but many folks are. I think the reason Omega is quietly rolling out the newer SI-14 equipped ATs may be to prevent those of us, who own a pre Si-14 model, from feeling that we have an inferior product. My watch is only 2 weeks old, and my AD hasn't yet received SI-14 equipped models, except in the Golf, Annual Calendar, ladies, and olympic models.

KAT

Perdu · 17 July 2012, 09:39 AM

I'm sure they will wait for the price hike before they release the Si 14 models. Like Kat I didn't wait.

azguy · 18 July 2012, 12:12 AM

Quote:

Originally Posted by Perdu

I'm sure they will wait for the price hike before they release the Si 14 models......

Agreed

Perdu · 18 July 2012, 09:18 AM

According to Fr. John, no increase on the stainless steel Seamasters

Caraptor · 19 July 2012, 04:59 AM

Interesting! I'll have to check mine now. I know it's not on my warranty card.

anachy · 15 April 2013, 11:36 PM

Quote:

Originally Posted by chasse

Hi,

Keep in mind that there are 2 versions of the AT 8500 with different model numbers.

So is this model with the si spring?
231.10.42.21.06.001
can't really tell from their website

CDNWatchNut · 16 April 2013, 10:40 AM

I recall reading that more recent production 8500 Aqua Terra's have the Si balance spring. The only way to know is by checking for the Si 14 marking on the balance wheel. I bought my skyfall AT about a month ago and it shows the Si 14 marking on both the wheel and the pictogram card, although some watches with the Si 14 spring have been known not to have the indication on the card...so you need to check the wheel to be certain.

14 July 2012, 06:33 AM	#1
chasse "TRF" Member Join Date: Jul 2012 Location: Canada Posts: 2	AT 8500, with Si Spring Hi, I went to a local AD and confirmed that the latest Aqua Terra 38.5mm has the Si Spring. I witnessed that on the ownership card and also by looking at the PVD balance wheel. In tiny white letters I could just barely make out the "Si". Keep in mind that there are 2 versions of the AT 8500 with different model numbers. If you are in the market for the AT, I would highly suggest you insist on looking at the ownership card for the symbol and matching it against the serial on the back. Finally, pull the crown to stop the balance wheel and depending on how young your eyes are (otherwise bring a loupe), you should be able to just catch the Si symbol depending on where the balance wheel positioned itself. Current 2012 list price: $5600 It's disappointing that Omega has quietly upgraded there models.

17 July 2012, 09:39 AM	#4
Perdu "TRF" Member Join Date: Jul 2007 Real Name: Gary Location: GMT-6 Watch: GMT Posts: 3,350	I'm sure they will wait for the price hike before they release the Si 14 models. Like Kat I didn't wait. __________________ Omega Seamaster 300M GMT Noire Omega Seamaster Aqua Terra 8500 Benson 1937 Sterling Silver Hunter

18 July 2012, 09:18 AM	#6
Perdu "TRF" Member Join Date: Jul 2007 Real Name: Gary Location: GMT-6 Watch: GMT Posts: 3,350	According to Fr. John, no increase on the stainless steel Seamasters __________________ Omega Seamaster 300M GMT Noire Omega Seamaster Aqua Terra 8500 Benson 1937 Sterling Silver Hunter

17 July 2012, 12:35 AM	#2
clarusen "TRF" Member Join Date: Jul 2012 Location: Edinburgh Posts: 2	actually, some watches' warranty card do not show Si14. I think the only way is to check the balance!!! Why omega makes the thing difficult? Is there any problem with silicon hairspring? Any ideas?

19 July 2012, 04:59 AM	#7
Caraptor Member Join Date: Sep 2010 Location: North Carolina Watch: me save for it. Posts: 444	Interesting! I'll have to check mine now. I know it's not on my warranty card.

16 April 2013, 10:40 AM	#9
CDNWatchNut "TRF" Member Join Date: Apr 2010 Real Name: Juan Location: Sherwood Park, Ab Watch: 114060 Posts: 1,509	I recall reading that more recent production 8500 Aqua Terra's have the Si balance spring. The only way to know is by checking for the Si 14 marking on the balance wheel. I bought my skyfall AT about a month ago and it shows the Si 14 marking on both the wheel and the pictogram card, although some watches with the Si 14 spring have been known not to have the indication on the card...so you need to check the wheel to be certain.

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