IWC Schaffhausen Ingenieur Midsize

The IWC Ingenieur Midsize, reference IW451503, has a steel case measuring 34 mm in diameter. A screw-down crown is set into the case, which measures 9.6 mm thick; self-winding calibre 30110 has a power reserve of 42 hours, 21 jewels and 163 components. The silver-plated dial has a date display and a display for central hacking seconds. The watch has a steel bracelet. A water-resistance rating of 120 metres applies to the case. The movement has Côtes de Genève and perlage decoration. The movement runs at 28,800 vibrations per hour. Antireflective coating is applied to both sides of the convex sapphire glass.