Omega Revives Its Caliber 321 Movement

After 50 long years, Omega has just announced the return of its iconic manually-wound Caliber 321 chronograph movement. First introduced by Omega and Lémania in 1946, the Caliber 321 is mostly remembered by its involvement in the early NASA space programs, where it was worn and tested in space, and then later became the movement in the first watch worn on the moon. Some key attribute to the Caliber 321 movement can be seen in the large slotted screws and in the chronograph minute counter when e...