Posts 17,634 Likes 36,876 JimInOz ·May 2, 2023·Melbourne Australia Maybe you could start here. https://omegaforums.net/threads/vintage-omega-posting-guide.383/
Posts 1,423 Likes 2,985 OllieOnTheRocks ·May 3, 2023 What is the diameter of the case? if its 35mm it is likely a reference 2346, with 30t2-sc movement. Made mid 1940s.