Just to say this:
I have my regular "beater", Omega SMP franken on my wrist again, right now. With the A7750 movement, unserviced and it runs in COSC standards.
I've had this since 2006.
I've owned plenty of A7750-powered watches and never experienced a SINGLE problem with them.
People often talk about gen ETAs and how well they run. Well how about A7750? Great, reliable movement. No wonder Chinese are pushing Europe and USA back to stoneage.
Just sayin'...