This is a great resource for taking apart/putting together movements. Step by step flash animation, oiling guides, etc.
I didn't see it all compiled in one place anywhere else, so here it is.
ETA2892A2: http://www.eta.ch/swisslab/2892a2/2892a2.html
ETA7750: http://www.eta.ch/swisslab/7750/7750.html
ETA6497: http://www.eta.ch/swisslab/6497/6947.html
ETA251.471: http://www.eta.ch/swisslab/251471/251471.html
ETA205.911: http://www.eta.ch/swisslab/205911/205911.html
I didn't see it all compiled in one place anywhere else, so here it is.
ETA2892A2: http://www.eta.ch/swisslab/2892a2/2892a2.html
ETA7750: http://www.eta.ch/swisslab/7750/7750.html
ETA6497: http://www.eta.ch/swisslab/6497/6947.html
ETA251.471: http://www.eta.ch/swisslab/251471/251471.html
ETA205.911: http://www.eta.ch/swisslab/205911/205911.html