IWC Schaffhausen Big Ingenieur

The IWC Big Ingenieur, reference IW500502, has a 45.7 mm platinum case. Case thickness is 14.3 mm; self-winding calibre 51113 has a 168-hour power reserve, 42 jewels and 315 components. The silver-plated dial has a date display, central hacking seconds and a power reserve indicator. The watch has a black alligator leather strap. Water resistance is rated to 120 metres. The movement has Côtes de Genève and perlage decoration. The movement runs at 21,600 vibrations per hour. The dial is covered by convex sapphire glass with antireflective coating on both sides.