Eterna Madison Spherodrive

Our Swiss friends at Eterna research and development have discovered an entirely new way to mount the barrel. I would love to have a rip down on this movement to see the end play between the bearing and barrel arbor after a simulated 3 years of use. Looks like the balls are ceramic as well. I wonder if this will end the oblong wear (such as what happens on Rolex barrel bushings). Nice job Eterna [Read More...] SHARETHIS.addEntry({ title: "Eterna... [Read More...]