Its actually an ETA 7753, so basically the same as the ETA 7750. Now the watch you REALLY want is the new Speedmaster Racing, it features the Omega Cal 3330 which is actually a newly released, column-wheel actuated, co-axial escapement chronograph with a silicon balance, based on the brilliant new Longines chronograph movement.
http://www.omegawatches.com/gents/speedmaster/racing/32630405001002Click to expand...