Need some advice/help please...

[bigwatchman]

Hello. I sent my latest acquisition, an omega seamaster off for service with a local watchmaker. This is a 12 year old watch so it was worth trying to save a few bucks. I did an internal servicing only on the ETA movement. I got it back yesterday with dust under the crystal ( a few specs), and I have found out that if I lay it down, even with a full wind, it stops. It is under a one year warranty with the watchmaker, but I am wondering if I should just send it to Omega service instead. Service cost was $125. What should I do? My wife thinks I am nuts to go back. Also, what could be causing the movement to stop? It is a cronometer grade movement. Its working worse than before servicing... Glad I have my 14060 to take my mind off how aggrivated I am at this whole situation. Thanks for your help.