Could anybody clarify what movement this watch actually has please: http://www.omegawatches.com/collection/de-ville/prestige-co-axial/45003000 The header on the Omega site does describe it as a Co Axial, however under the 'Movement' section it is listed as simply 'Caliber: Omega 1120' & doesn't mention a Co Axial escapement. Also the watch does not have 'Co Axial' on the dial. All of this suggests that it isn't a Co Axial movement.
The 1120 doesn't have the co-axial escapement. It evolved into the 2500 when the co-axial escapement was installed into the 1120. The current version of that watch has a co-axial caliber 2500 and says so on the dial, but that watch in the picture with the 1120 does not.
I thought it probably didn't, & was therefore confused to see the header describe it as 'De Ville Prestige Co-Axial' on Omega's own website. Do we assume it's simply an admin error / typo by their online department?