Watch DetailscaseStainless steel caseDiameter 39.0??mmHeight 10.8??mmScrew in crownWater resistance 6.0 barMovement32111 CalibreIWC-manufactured movementAutomatic winding120 hours power reserveFrequency 28'800 VPH (4 Hz)163 Components21 JewelsC???tes de Gen???veFeaturesDate displaySoft-iron inner case for protection against magnetic fieldsSapphire glass, convex, antireflective coating on both sidesGlass secured against displacement by drop in air pressureCentral hacking seconds????