Please go to the Official Omega website and enter the model number at the 'watch finder'.
The watch was mainly sold as the 2254.50.00 with the only difference being it was sold on a 'Speedy' style bracelet. Also sold as the 2054.50.00 on the 'Bond' bracelet. The reference you have here was factory sold on a leather inner/rubber outer black strap that was not suitable for swimming with.
You 'll find the strap shown here on your pictures is not original. One part is curved around the case, the other part is straight. Definitely not Omega.
There is not enough visible in your pictures to determine if the clasp is original and going by the Omega logo I have my doubts. VetPsychWars may be right with it being the old style clasp.
Warranty card only. Little booklet on the left in the picture is your pictograms booklet/certificate, chrono. booklet looks to be missing.
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