The movement is what is should be for a Ref. 2515:
https://www.omegawatches.com/en-us/...Dc4Mi4xLjAuMTcxODc0ODc4Mi4wLjAuMjAyNDIxNzM3MQ..
Note that Cal. 333 = Cal. 30.10T1 RA PC RG.
What do you want to know about this movement?
gatorcpa
So its just a 30.10 with that more precise regulator adjustment
Steve