M Posts 3 Likes 0 muddtt ·Jun 6, 2023 Picked up this old Speedmaster but the serial number was different than what I've seen before. Anyone know what the R.38403 means?
Posts 6,609 Likes 26,780 Scarecrow Boat ·Jun 6, 2023 I found another thread discussing an R serial. It’s 5 pages and might be of help. https://omegaforums.net/threads/speedmaster-with-strange-serial-number.25969/
Posts 13,556 Likes 23,504 Davidt ·Jun 6, 2023 Aren’t they generally understood to be replacement movements?
Posts 30,290 Likes 78,188 Archer ·Jun 6, 2023 Davidt Aren’t they generally understood to be replacement movements? Yes.