This timepiece is the GMT version of the 144 instrument chronograph. The watch is equipped with Valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels. A white arrow hand indicates the second time zone. The watch has a date window positioned conveniently at the 3 o'clock mark. Additional functionalities include tachymeter and pulsometer scale, luminous hands and numerals, titanium case, transparent case back and scratch-resistant sapphire crystal glass with anti-reflective coating.