Well the scenario you write isn't very likely.
That is why I put some warning ligths
😀 I talked about different discoloration because for me, different discoloration from the rest implies that this piece had a different life than the others, so that the original was replaced by this one at some point. So, if the piece that wear the serial number is a replacement, then that should be an issue. I admit it could be a bad example...
But I did not want to imply they look at the serial every time to know it is correct or not. As you said, it would be like requesting and archive extract for each vintage watch they service: it is unrealistic. Maybe they'll be able to do it in 10 or 15 years if they decide to digitalize all the microfilms and put everything in a data lake
For the rest, for sure they do not apply these rules stricto sensu. It is on a case-by-case basis and that is why I initially said "may refuse"
😉. Replacing a crown or a bezel won't be an issue. Replacing half of the movement to put it back to factory spec could be a different story.
I was told they were very lenient about all this only a few years ago, and they accepted everything (bar fake or no parts anymore) but they are currently pushing to be more strict.
Anyway, none of this should prevent us to have our Omega's (or any other watches) serviced by a skilled watchmaker.
One question about the redials you sent to be sure I understood it correctly - as I am not a native English speaker: by "not mention the dial", do you imply they serviced the watches and left their dials as-is (I presume that is what you meant), or did they replaced the dials as part of the service process?
And out of curisity; were the redials baldy done (eligible to be in the "worst redials" topic), or ok-ish?