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I think Top Gear showed off the only real watch you need.
Breitling Emergency
It's great as long as the people coming to rescue you are not named Jezza or Capt. Slow.
that watch is freaking awesome if you set off the emergency feature for any reason (which is very hard to be done accidentally). you have the pleasure of sending it back to breitling after so that they can reset it. it really is a fantastic watch though. the "cool" one uses their superquartz, which is one of the most accurate movements of all time. downfall is that the battery life is about 3 years and its one of the few models that breitling absolutely requires a breitling ad to replace.
after dealing with the breitling service centers, they are definitely one of the better though.