IWC Schaffhausen Aquatimer Chronograph

The IWC Aquatimer Chronograph, reference IW371928, is a chronograph with a 41 mm steel case. A screw-down crown is set into the case, which measures 14.2 mm thick. Self-winding calibre 79320 has a 44-hour power reserve and 25 jewels. The black dial has a day and date display and small hacking seconds beneath convex sapphire glass with antireflective coating on both sides. The watch has a steel bracelet. A water-resistance rating of 120 metres applies to the case. The movement runs at 28,800 vibrations per hour. The movement is decorated with Côtes de Genève and perlage.