这是附加信息
case：
titanium case
41.0 mm diameter
Thickness 14.5mm
screw down crown
Transparent sapphire glass case back
Water resistance 10 bar
movement：
69385 movement
IWC-manufactured movement
automatic movement
46-hour power reserve
Frequency 28'800 vibrations/hour (4 Hz)
231 Parts
33 gems
features：
Comes with an extra strap
Chronograph functions for hours, minutes and seconds
Day and date display
The crystal assembly is stable and can withstand sudden drops in air pressure
Double-sided anti-reflective convex sapphire glass
Strap quick change system
Small seconds with stop mechanism
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