CX SWISS MILITARYS AIRFORCE 1 was designed to meet the extremely high standards of the equipment that is being used in such air-crafts as the US Airforce I. Only choice materials may be used in the production process and strict quality control on several production levels is paramount. The AIRFORCE 1 timepiece is a high-end chronograph equipped with a multi-purpose slide-rule to allow aviatic and nautical calculations. A certified water resistance of 200 meters ensures your watch will not let you down、 whatever situation you might find yourself in.