I had an identical problem a few months ago, when I was also looking for a new formal watch to wear to the office every day. I also wear a suit most of the times, so it was important that the watch also fitted underneath my cuffs.
As I was in doubt between the Aqua Terra and the new GM, I tried on both at an OB. I originally wanted the GM full SS version but when I wore it, it just felt "cold" to me. When comparing that to the AT, I may have gone with the AT at that time. However, when I tried on the bi-color GM with the blue dial, that was a totally different story. This version felt a lot 'warmer' due to the gold bezel, hands and hour markers and I immediately fell in love with it.
It still took me a few months, but in August I finally bought it and I have worn it to the office every day since. The gold bezel is not that apparent as some of the Omega pictures might imply. Under some lighting conditions it appears as if it is a SS bezel, but still the gold hands and hour markers make it a different dial.
I can only say, I have not regretted my purchase for a second.
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