Please do yourself a favor, read up in Brand Forums-Omega
We have talked a tremendous amout about the Speedmaster Moon's and Broad Arrow's.
The subdial spacing and lack of a dome plexi (acrylic) crystal leaves all the reps way off for a lot of us anal knotheads...
However, being new, you prolly would enjoy a manual wind Seagull ST19 version reguardless....only the jedi expert will notice most likely and you will prolly like it, wear it and dig it....until you learn more and grow in rep'dom.
Check the Trusted Replica Dealer section to chose a dealer.
(the reading should/will guide you to a dealer to buy from)
Welcome and good luck,