IWC Schaffhausen Ingenieur Chronograph Racer

The IWC Ingenieur Chronograph Racer, reference IW378509, is a chronograph with a 45 mm steel case. The case is 14.2 mm thick and has a screw-down crown. Self-winding calibre 89361 has a 68-hour power reserve and 38 jewels. The silver dial has a date display, small hacking seconds and a flyback function under convex sapphire glass. A black rubber strap is on the watch. The case carries a water-resistance rating of 120 metres. The movement runs at 28,800 vibrations per hour. Côtes de Genève and perlage are among the movement's finishes.