In the last 40 years, the watch did go through a lot of changes
which in most of the time only is seen by collectors or Speedmaster-lovers. For the full
story on all changes, please check out the history pages in the Speedmaster menu. For all
optical details, read on.
The first Omega Speedmaster CK2915
The current Speedmaster Professional 3750.50
you can see, a lot of changes in the casedesign, dial and hands. Also the movement changed
(from a cal.321 to a cal.861 in 1968) and the watch had several different stainless steel
bracelets through the years.