GMT Master II Bezel issues/removal

[BDL]

So my 2007 116713 has lost that snappy bezel movement and it is more "sticky" for lack of a better word.

Is this fixable DIY? If so, I imagine this would require removing the bezel which sounds super scary. Is it?

Or....is this a sign to send in for a full service.

Thanks for the insight.

-Brandon