IWC Schaffhausen Ingenieur Automatic 40

IWC Schaffhausen's Ingenieur Automatic 40, reference IW328904, has a titanium case measuring 40 mm across. The case stands 10.8 mm thick and carries a screw-down crown at the side. An IWC-manufactured automatic movement, calibre 32111, drives the watch and stores 120 hours of power reserve. The grey dial sits under a convex sapphire crystal with antireflective coating applied on both sides. Central seconds and a date display are set on the dial. IWC fits this reference with a titanium bracelet, matching the case material. The movement runs at 28,800 vibrations per hour and holds 21 jewels across its 163 components. The case carries a 100 metre water resistance rating.