X350 XJR
··Vintage Omega AficionadoLooking closer yours is slightly earlier reference 14750 (pre DE VILE), yes, the caliber 600 is correct for your watch, it was used in many different Omegas.
Please consider donating to help offset our high running costs.
This thread should help the matter:
https://omegaforums.net/threads/the-ultimate-seamaster-de-ville-thread.159035/
Everything you wanted to know about the Seamaster uni-shell models, but were afraid to ask. With links!
gatorcpa