patrickh
2458
Following my concern regarding accurate 8 days PR, seems that Eterna had found a solution
Extract for Worldtempus today:
Hope this could be of interest for many of readers. If not, Moderators please erase this post.
"By fitting the spring barrel on ball bearings, Eterna engineers eliminated in one go most of the problems caused by wear and tear at the exact point where the movement is subjected to the greatest pressure and friction...
Mounted on ball bearings in Eterna Spherodrive fashion, this proprietary Eterna movement’s two series-coupled barrels provide the hour, minute and seconds hands with eight full days of exceptionally smooth and regular operation. "
Eterna calibre 3510
ETERNA - Madison Eight-Days
Thanks for your comments on the calibre.
The design of this watch itself is not my personal taste.
Cheers,
Patrickh
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Following my concern regarding accurate 8 days PR, seems that Eterna had found a solution
Extract for Worldtempus today : Hope this could be of interest for many of readers. If not, Moderators please erase this post. "By fitting the spring barrel on ball bearings, Eterna engineers eliminated in one go most of the problems caused by wear and te...
As more than 60 readers at the time being, here is the plan
of the calibre http://www.montres-de-luxe.com/Eterna-Madison-Eight-Days-grande-date-et-huit-jours-de-reserve-de-marche_a3611.html A pic is more explicit than some words. This pic is protected by the site. Erase this post if against rules. Cheers, Patrickh