Do you spend a lot of time in Zero G environment and find it hard to keep track of it? then your cries have been heard as Swiss watch maker Zenith has made just what you have been looking for the Xtreme Tourbillon ZERO-G EI Primero. This state of the art watch can operate in zero gravity environment and is water proof up to 1000 ft. The watch is made from two of the most toughest materials known to man- titanium and kevlar, The watch is mounted with a free-moving gyroscope which always points down no matter how it is positioned. Starting from this is a must take accessory for your trip to the moon.