Eterna Calibre 39 Watch Movement: Valjoux 7750 Alternative And So Much More No doubt in light of the fact that ETA-made movements are harder than ever to get, Eterna has just announced that they have created a new movement, dubbed the Calibre 39, which is the result of a project that started in 2007. This is potentially a very important announcement for the industry as the Calibre 39 is designed to be both an alternative to many hard to get ETA movements, as well as a strong base caliber for lots of complications. The Calibre 39 is a fully modular movement that has been designed to be as expan