Case is made of 316L stainless steel and brushed. It is measured to be 40mm in diameter. From side view, the case has a nice arc degree, so this ensure the watch could fit your wrist perfectly. Crown uses screw-in construction like genuine and there are delicate engravings. On solid case back, there are six notches that are exclusive to IWC Mark series. Great polishing work you can see on the back. Opening the case back, you will find a soft iron cage that is antimagnetic between case back and movement, which is the same as genuine Mark XI. By the way, the bracelet is polished beautifully. The front face is brushed while its edges are polished. There are also “IWC” on the front and other engravings on back side. The buckle pin is polished. Now at last, the watch specification will be listed below:
