IWC Schaffhausen Aquatimer Chronograph Edition "50 Years Science for Galapagos"

The IWC Aquatimer Chronograph Edition "50 Years Science for Galapagos", reference IW379504, is a chronograph with a 45 mm steel case. This special edition has a 16.9 mm thick case and a screw-down crown. The movement is self-winding and has a 68-hour power reserve and 36 jewels. The black dial has a date display, small hacking seconds and a flyback function beneath convex sapphire glass. The watch has a black rubber strap. A water-resistance rating of 300 metres applies to the case. Calibre 89365 operates at a frequency of 28,800 vibrations per hour.