IWC Schaffhausen Aquatimer Chronograph

The IWC Aquatimer Chronograph, reference IW376905, is a chronograph with a 45.6 mm case in 18-carat 5N gold. Case thickness is 15.5 mm; the movement is self-winding and has a 68-hour power reserve and 38 jewels. Convex sapphire glass covers the black dial with a date display, small hacking seconds and a flyback function. The watch is on a black rubber strap. Water resistance is rated to 120 metres. The movement has Côtes de Genève, perlage and polishing decoration. Calibre 89361 operates at a frequency of 28,800 vibrations per hour.