hi si should their not be some more numbers on there si there are on mine.
as follows broadarrow on the top underneath.
W10/6645-99
923-7697
A/254/67
there is a pic of mine in the photo forum it did have the T in a circle when i first had it but i sent it to the local omega agent for a service and someone decided they would re lume the indices what a mess i had a fit and it was sent back and in return was completly rebuilt and new dial hands polished now looks like a new one.
mind you at the price that one on ebay fetched i have a mind to put mine on ,that is a lot of cash would be well on the way to a new sub.
paul.