Time to hit the racetrack with the new and improved CITIZEN Primo Chronograph with Eco-Drive technology. A watch that keeps up with your speedy lifestyle, shown here with a men\'s stainless steel case, black ion plated stainless steel bracelet, black ion-plated stainless steel bezel and black dial with red accents. A 1/5th second chronograph with 12/24-hour time and date. Caliber number B620.