[Ego]

Prototype movements with the quadruple tourbillon differential.


Two different forms of the 30 degree double tourbillon.








Detail of 24-second inclined tourbillon: asymmetric design of the cage can be seen




Glimpses of the superfast 24 second inclined tourbillon in its 'capsule'




Bridge and cage design of the 30 degree double tourbillon  a 'Daniel-esque' quality.




Superlative finish of the Greubel Forsey watches. Attention to detail is everything.


Difference between the unfinished (left) and finished (right) bridge after 8 hours of intensive work.


A detailed shot of the 30 degree double tourbillon.




From computer simulation model to Stephen Forsey's own working prototype: the spherical differential at the heart of the Quadruple Tourbillon a Differentiel.




Источник: http://general.watchprosite.com/?show=nblog.post&ti=462251&fi=112&s=0