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Incredible indeed! GS shows than when it comes to chronometry it can play at the highest level.
Have to see the final watch, but looks like GS might be beating the Swiss yet again ... Remember how the chronometry trials ended when Seiko started winning in the 1960's ? 
Incredible! Grand Seiko T0 Coaxial Remontoire Tourbillon
The T0 (T-zero) Constant-force Tourbillon. Grand Seiko reveals an exciting concept creation with a world’s-first mechanism. Ever since the first Grand Seiko watch was born in 1960, the pursuit for high accuracy has been fundamental in every Grand Seiko ti...
The Constant Force Tourbillon from Grand Seiko: Swiss Patent CH 708 526 A2, US 905 269 3B2
NOTE: There's a good reason why we don't normally give you the text of patents. They are virtually impenetrable! Also available in French HERE Inventors Takuma Kawauchiya, Takashi Niwa, Masahiro Nakajima, Masayuki Koda Description THE CLAIMS 1. A constant...
Good Grief! As Charlie Brown might have said
I think I'll pass on reading that let alone trying to understand it! Cheers JML
Incredible indeed! GS shows than when it comes to chronometry it can play at the highest level.
Have to see the final watch, but looks like GS might be beating the Swiss yet again ... Remember how the chronometry trials ended when Seiko started winning in the 1960's ?
Just you wait
We said the same thing about the Credor Tourbillon and Grand Sonnerie ...
Don't they Have to make watches with that movement...
Even if I never could afford it?
No watch announced today, just the movement
But I wouldn't think they'd spend from 2013 till now just for grins. With four of their brightest guys named on the patent and working on it all this time - it's a significant effort that probably will result in something that we can only admire from a di...