IWC Schaffhausen Big Ingenieur

The IWC Big Ingenieur, reference IW500505, has a 45.7 mm steel case. The case has a thickness of 14.3 mm; self-winding IWC-manufactured calibre 51113 has a 168-hour power reserve, 42 jewels and 315 components. The black dial has a date display, central hacking seconds and a power reserve indicator. A steel bracelet is on the watch. A water-resistance rating of 120 metres applies to the case. The movement has Côtes de Genève and perlage decoration. The movement runs at 21,600 vibrations per hour. A see-through case back gives a view of the movement.