Looks completely legit, take a look at the ones in this thread:
https://omegaforums.net/threads/ome...-calibre-551-pie-pan-what-do-you-think.23319/
There are several just like it.
The crown is a replacement, though. It should either be of a different shape (have a look at the ones in the link), or the very least be a different shade of gold. It's no biggie, I use the same (incorrect) type on one of my Constellations. The correct crown is no longer available.
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