The Fortis Square Chronograph results from the cooperation between the company and the Swiss International Airlines. The watch is equipped with Swiss-made Valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels. Other movement characteristics include fine timing device and Incabloc shock absorber. Hands and dial elements are covered with luminous paint for enhanced night time readability. A day and date display is positioned at the 3 o'clock mark. The watch's chronograph comes with a 60-second, a 30-minute and a 12-hour register. Additional useful features include flange with minute scale, see-through case back, individual numbering and scratch-resistant sapphire crystal glass with anti-reflective coating.