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 the reading mode. There is a special time display window at 3 o'clock. The all-black round case is made of ceramic material, 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.
