Precision Spinning Top NEXT-URANUS An exceptionally high quality spinning top [The Japanese Seimitsu Koma] with spinning record of 7min! A seriously high precision, total cut-out Precision Spinning top made by a precision machinery maker. By carving out the entire body of Spinning top from a stainless steel bar, we made the spinning time even longer than other Precision Spinning top. The longest spinning time was 7 minutes 41 seconds. The NEXT Spinning Top is produced from a stainless steel bar by using a Precision CNC lathe, which is also used for processing a watch. We minimized The vibration of the center axis is minimized to under a few micron; this made it possible for the Spinning top to spin stably for a long period of time. After the precession movement, Spinning top moves into a stable period. During the stable period, Spinning top spins extremely stably as if it is pausing and standing still. Before shipping we make sure each Spinning top spins more than 4 minutes under our inspection condition. The official longest spinning time was 7 minutes and 41 seconds. SPAC: 0.74 inches in diameter; 0.87 inches in height; 0.49 oz.