HIGH-TECH CHRONOGRAPH FUNCTIONS, HIGH-PERFORMANCE STYLE The 43 mm case features a slight tonneau shape and is water-resistant to 200 metres. The tachymeter bezel is highly legible and the crown is fluted for more reliable control. The double safety bracelet has a driver's extension to allow it to be worn over a racing suit. FOR LOVERS OF SPEED Highly resistant sapphire crystal. Dial details enhanced with Super-LumiNova®. Avant-garde design inspired by the highest levels of racing. A UNIQUE MOTORSPORT LEGACY The automatic watch inherits the timing technology and experience that TAG Heder has accumulated over decades of intense involvement in Formula 1, as well as input from the sport's top drivers.