Omega seamaster professional difference between models ?

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good day

Want to buy inner dust cover for model omega 2599 80 00
found on ebay similar model but ref is 178 0522

can I use this part to my Omega watch and what is the difference between this models ?
omega 2599 80 00 vs 178 0522

thank you
 
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You need to read up on the difference between the Product Identification Code or PIC and the case number which usually is of the form xxx.xxxx

The latter is normally more useful when it comes to ordering parts. What is stamped inside your caseback? That will tell you what your case number actually is.