I believe that older Seagulls used a different numbering system that doesn't really tell you much.
Edit: oops, didn't see that this was an old thread. stjude100, sorry the site probably won't help in your case since the serial is from before they implemented the new system.
Seagull Serial Numbers
in Acoustic Guitars
Posted
Break out the candles and roses and date your guitar
Congrats, by the way.
http://www.guitardating.com/godin.php
I believe that older Seagulls used a different numbering system that doesn't really tell you much.
Edit: oops, didn't see that this was an old thread. stjude100, sorry the site probably won't help in your case since the serial is from before they implemented the new system.