Equipped with a radio-controlled timekeeping function that detects a time signal in four regions of the world and automatically adjusts the time. Equipped with a 1/1-second chronograph that can measure up to 60 minutes, a pilot's slide rule and a world time function for instant adjustment to the time of 24 cities, this is a pilot's watch with many functions and a high degree of practicality. With its elegant black dial, sapphire crystal glass and water resistance of 200 metres, this watch is a real winner. Calibre E660.