Its product model is IW389001. The inner ring is 12 hours, the outer ring is 60 minutes, and the accumulated hours and minutes are displayed in a time-reading manner. There is a special time display window at 3 o'clock. The all-black round case is made of ceramic material, which is low-key and domineering. It is equipped with a soft iron inner shell, which can effectively protect the movement from the influence of magnetic field effects and is equipped with a stable glass mirror.
