IWC Schaffhausen Ingenieur Double Chronograph Titanium

The IWC Ingenieur Double Chronograph Titanium, reference IW386503, is a chronograph with a 45 mm titanium case. A screw-down crown is set into the case, which measures 15.7 mm thick. The movement is self-winding and has a 44-hour power reserve and 29 jewels. The black dial has a day and date display, small hacking seconds and a split-seconds function beneath convex sapphire glass. The watch has a black rubber strap. A water-resistance rating of 120 metres applies to the case. Calibre 79420 operates at a frequency of 28,800 vibrations per hour.