Suunto X10 Military - Jay Chou - The Viral Factor
The X-10 is available with a positive (dark text on a light background) and negative (light text on dark background) screen, but Chou is wearing the negative version which is called the "Military", reference nr SS014006010. The same watch can also be seen in the film Dear John.
This multifunctional Suunto watch is extremely powerful, feaaturing not only an altimeter, barometer and compass, but a GPS navigation as well which lets you record routes, mark waypoints and track speed and distance. The watch can be connected to a computer to visualize the tracks, plans and routes.