IWC Schaffhausen Ingenieur Automatic 40

The IWC Ingenieur Automatic 40, reference IW328902, has a 40 mm steel case. The 10.7 mm thick case has a screw-down crown. Self-winding IWC-manufactured calibre 32111 has a 120-hour power reserve, 21 jewels and 163 components. Behind convex sapphire glass with antireflective coating on both sides, the silver-plated dial has a date display and central hacking seconds, and the glass is secured against displacement by a drop in air pressure. The watch has a water-resistance rating of 100 metres. A soft-iron inner case is part of the watch's construction. A steel bracelet is on the watch.