8500 movement hippocampus series AQUA TEERA 150 meters watch [Yeah!] 1: The upgrade is truly consistent with the genuine dial. The only matching version in the market, there is no one.  2: The real one-piece movement is no longer an ordinary movement ��� false deck 3: The function of the movement is the same as the original one, and the hour hand adjusts the calendar separately.  The only version in the market 4: The new 8500 movement automatic rotor can be wound in both directions.  High efficiency and stability on the chain!