Tissot Heritage Grand Prix Collection Chronograph Watch - Black Dial, Caliber 07. The Tissot Heritage Grand Prix is a tribute to the history of motorsports and the elegance of precision watchmaking. This limited edition model boasts an impressive automatic mechanical movement, a sophisticated black dial with applied hour markers, sapphire crystal for clarity, date function displayed at the 3 o'clock position, and comes equipped with either an Oyster bracelet or a sporty silicone strap ensuring comfort during any activity.