Fashion has always already moved on from yesterday. It is art that is part of immortalizing history. Fashion can however function as a window into the collective consciousness which includes visual memories and flashbacks.
Gucci has re-issued "timeless" watch campaigns featuring Veruschka from the 1960's for 2010
Nars revived a 1970's Guy Bourdin shot in 2005
Bally Brasilia 1980, revisited in 2007
The Paris team Medium is the Message has been experimenting with vintage revivals for YSL & the NY Times below.