Precision Spinning Top NEXT-CHRONUS Made with our most cutting-edge Japanese technologies. The ultimate spinning top [The Japanese Seimitsu Koma] with 11 min of spinning record! Proudly made by the Japanese precision machinery maker. Made with our ultimate precision. By pressing a hard steel ball into the tip of Spinning top, we improved the spinning time. A massive body with diameter of 0.79 inches, height of 0.87 inches, and weight of 0.74 oz. During the stable period, NEXT-CHRONUS spins quietly for a long duration of time, as if time stands still. The official longest spinning time was 11 minutes 23 seconds. Before shipping, we make sure each product spins longer than 6 minutes under our inspection condition.