IWC Schaffhausen Ingenieur Automatic 40

The IWC Ingenieur Automatic 40, reference IW328903, has a 40 mm steel case. The 10.7 mm thick case has a screw-down crown. Self-winding calibre 32111 has a 120-hour power reserve, 21 jewels and 163 components. Behind convex sapphire glass with antireflective coating on both sides, the aqua dial has a date display and central hacking seconds. A steel bracelet is on the watch. The watch has a water-resistance rating of 100 metres. The movement runs at 28,800 vibrations per hour. A soft-iron inner case is part of the watch's construction.