For people worried about servicing, just buy an Asian movement. I have a Miyota copy that is more than 10 years old, keeps good time and has never been serviced.
Yes, someone over there showed a picture of the rep Hublot BB to the CEO of the company on the timezone forum. Needless to say he got lawyers involved.
If you want a 2893 mvt, it's hard to beat a Hamilton. One intersting advantage for me on a 2836 moded GMT is that the GMT hand moves smoothly instead of hourly jumps(only when adjusted with the crown). The reason it is advantageous for me is that India time is 11h30min ahead.