Constellation; swapped bridge?

Hi there OF,

Well I did what I swore I would stop doing and made an impulse purchase of a watch I am not as familiar with, a vintage Connie. My concern is a potential bridge-swap (hope I am using the correct term for the part) as the copper is a different shade of color.

Full set with all paper work, hang tags, high precision cert & envelope, receipts etc which all match each other, and all match the serial on the bridge. I would like opinions on if you think this is a put together piece or not. Pictures were not clear on this particular part, not saying the seller hid it but I probably wouldnt have bought it seeing it as I do now. Before I go through the hassle of a return, which I will only do if something is not disclosed not because I purchased impulsively, I thought I would double check with all here.
Thanks for the opinions.

pictures:

Thanks Dan

Color doesnt match from any angle, but the cleaning solution was a thought of mine as well. I just would think it would color-change across all parts of the same base material. Usually one wouldnt clean just the bridge, and I wouldnt think it would have such a different effect on one part vs the others. But that is me "thinking" and that is where I often go wrong. 😀

No cleaning solution I know of will cause this.

If the bridge were replaced with one of the same serial number, the old bridge is sent back in order for this to happen, so there aren’t two with the same number out there.

I believe that has something to do with pinions and hand height.

https://omegaforums.net/threads/curious-number-1-inside-omega-symbol.34200/

It’s the hand height.