I think the cal 8520, dedicated to ladies models, goes back a little further . . .

Oct 16, 2014,08:02 AM
 

. . . than last year, Nilo - several years earlier.  And, if I recall correctly, it was the first movement to utilize the non-magnetic hairspring now used across the board in Omega's movements.  


Best,

Art




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Omega Calibres

 
 By: psychotic : October 15th, 2014-15:51
This is from a reply from one of my earlier postsĀ I'm not very familiar with Omega calibres... ... can somebody please enlighten me on Calibre 8520 on the ladies Aqua Terra? Like when did it come out? Is it the smaller version of calibre 8500? Is the 850...  

Caliber 8520 ...

 
 By: nilomis : October 15th, 2014-16:39
It was, I believe, launched in 2013 and is a somehow simplified version of the 8500. Despite the aesthetic similarity with the 8500, the 8520 can be seen as a simplified version of the 8500. It uses a coaxial escapement with silicon balance spring but is ... 

A picture from the movement ...

 
 By: nilomis : October 16th, 2014-07:23
Here is: Notice the lack of "barrel 1" "barrel 2" that is found on the 8500. Cheers, Nilo ...  

I think the cal 8520, dedicated to ladies models, goes back a little further . . .

 
 By: Dr No : October 16th, 2014-08:02
. . . than last year, Nilo - several years earlier. And, if I recall correctly, it was the first movement to utilize the non-magnetic hairspring now used across the board in Omega's movements. Best, Art